1152531 has 12 divisors (see below), whose sum is σ = 1686880. Its totient is φ = 758160.

The previous prime is 1152527. The next prime is 1152589. The reversal of 1152531 is 1352511.

It is not a de Polignac number, because 1152531 - 2² = 1152527 is a prime.

It is a super-2 number, since 2×1152531² = 2656655411922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100 + ... + 1521.

2^1152531 is an apocalyptic number.

1152531 is a deficient number, since it is larger than the sum of its proper divisors (534349).

1152531 is a wasteful number, since it uses less digits than its factorization.

1152531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1152531 is about 1073.5599657215. The cubic root of 1152531 is about 104.8457599341.

The spelling of 1152531 in words is "one million, one hundred fifty-two thousand, five hundred thirty-one".