1250

1250 is the natural number that comes after 1249 and before 1251. In mathematics, it is an even composite number with prime factorization 2 × 5^4. Its positive divisors are 1, 2, 5, 10, 25, 50, 125, 250, 625, and 1250, giving a total of ten divisors. The sum of these divisors is 2343, and Euler's totient function yields φ(1250) = 500.

1250 in different numeral systems: in Roman numerals it is MCCL; in binary it is 10011100010; in hexadecimal it is 0x4E2; in octal it is 2342.

As a year, 1250 CE falls in the mid-13th century. It was a time when the Julian calendar was in use in much of Europe, and the period featured various political, economic, and cultural developments across the medieval world.

In broader use, 1250 is a representative example of a small, highly factorable even number often cited in arithmetic and number-theory contexts. Its factors and base representations make it a convenient case for illustrating divisibility, numeral systems, and historical dating.