125564624 has 20 divisors (see below), whose sum is σ = 243567744. Its totient is φ = 62708448.

The previous prime is 125564617. The next prime is 125564629. The reversal of 125564624 is 426465521.

It is a super-2 number, since 2×125564624² = 31532949600522752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125564629) 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, 11009 + ... + 19295.

Almost surely, 2^125564624 is an apocalyptic number.

It is an amenable number.

125564624 is a deficient number, since it is larger than the sum of its proper divisors (118003120).

125564624 is an equidigital number, since it uses as much as digits as its factorization.

125564624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242 (or 9236 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 125564624 is about 11205.5621902696. The cubic root of 125564624 is about 500.7517013239.

The spelling of 125564624 in words is "one hundred twenty-five million, five hundred sixty-four thousand, six hundred twenty-four".