1275

1275 is a natural number that follows 1274 and precedes 1276. It is an odd composite integer with prime factorization 3 × 5^2 × 17, which means it has 12 positive divisors.

The number is not squarefree because the prime 5 appears with exponent 2 in its factorization. Its Euler totient value is 640, computed as φ(1275) = 1275 × (1 − 1/3) × (1 − 1/5) × (1 − 1/17). In base-10 arithmetic, 1275 is a Harshad number since the sum of its digits is 1 + 2 + 7 + 5 = 15 and 1275 is divisible by 15.

In common numeral systems, 1275 is represented as 0x4FB in hexadecimal and as 10011111011 in binary. In Roman numerals, it is written as MCCLXXV.

Summary: 1275 is a mixed-prime-factor composite number with a squared prime factor, reflective of standard integer properties such as divisors, totient, and base representations.