1157275 has 24 divisors (see below), whose sum is σ = 1740960. Its totient is φ = 744960.

The previous prime is 1157263. The next prime is 1157279. The reversal of 1157275 is 5727511.

It is not a de Polignac number, because 1157275 - 2⁵ = 1157243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2781 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2^1157275 is an apocalyptic number.

1157275 is a deficient number, since it is larger than the sum of its proper divisors (583685).

1157275 is a wasteful number, since it uses less digits than its factorization.

1157275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 418 counting only the distinct ones).

The product of its digits is 2450, while the sum is 28.

The square root of 1157275 is about 1075.7671681177. The cubic root of 1157275 is about 104.9894169228.

The spelling of 1157275 in words is "one million, one hundred fifty-seven thousand, two hundred seventy-five".