125024531 has 4 divisors (see below), whose sum is σ = 126607200. Its totient is φ = 123441864.

The previous prime is 125024489. The next prime is 125024533. The reversal of 125024531 is 135420521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125024531 is a prime.

It is a super-2 number, since 2×125024531² = 31262266703539922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125024497 and 125024506.

It is not an unprimeable number, because it can be changed into a prime (125024533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791216 + ... + 791373.

It is an arithmetic number, because the mean of its divisors is an integer number (31651800).

Almost surely, 2^125024531 is an apocalyptic number.

125024531 is a deficient number, since it is larger than the sum of its proper divisors (1582669).

125024531 is an equidigital number, since it uses as much as digits as its factorization.

125024531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582668.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125024531 is about 11181.4368933514. The cubic root of 125024531 is about 500.0327058606.

The spelling of 125024531 in words is "one hundred twenty-five million, twenty-four thousand, five hundred thirty-one".