125220624 has 20 divisors (see below), whose sum is σ = 323486736. Its totient is φ = 41740192.

The previous prime is 125220607. The next prime is 125220631. The reversal of 125220624 is 426022521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 125220594 and 125220603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304334 + ... + 1304429.

Almost surely, 2^125220624 is an apocalyptic number.

It is an amenable number.

125220624 is an abundant number, since it is smaller than the sum of its proper divisors (198266112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125220624 is a wasteful number, since it uses less digits than its factorization.

125220624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608774 (or 2608768 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125220624 is about 11190.2021429463. The cubic root of 125220624 is about 500.2939924363.

The spelling of 125220624 in words is "one hundred twenty-five million, two hundred twenty thousand, six hundred twenty-four".