1120

1120 is a natural number that follows 1119 and precedes 1121. In mathematics, it is an even composite number. Its prime factorization is 2^5 × 5 × 7, and it has 24 positive divisors. It is also a Harshad number in base 10, since the sum of its digits is 4 and 1120 is divisible by 4.

As a calendar reference, 1120 can denote the year AD 1120, a point in the 12th century during the Middle Ages. In historical notation, this would be a period when various regions used the Julian calendar and multiple political entities and cultures were active across Europe and other parts of the world. The exact events of that year vary by region and source.

In Roman numerals, 1120 is written as MCXX.

In the United States tax system, Form 1120 is the tax form used by corporations to report their income, gains, losses, deductions, and to compute corporate taxes due. It is distinct from Form 1120S for S corporations and Form 1120-F for foreign corporations, which serve related but different tax reporting purposes.

In other contexts, 1120 may appear as a model number, designation, or identifier in various domains, such as products, routes, or catalogs, depending on regional and industry usage.

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