125408928 has 24 divisors (see below), whose sum is σ = 329198688. Its totient is φ = 41802944.

The previous prime is 125408909. The next prime is 125408951. The reversal of 125408928 is 829804521.

It is a tau number, because it is divible by the number of its divisors (24).

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, 653076 + ... + 653267.

It is an arithmetic number, because the mean of its divisors is an integer number (13716612).

Almost surely, 2^125408928 is an apocalyptic number.

It is an amenable number.

125408928 is an abundant number, since it is smaller than the sum of its proper divisors (203789760).

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

125408928 is a wasteful number, since it uses less digits than its factorization.

125408928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306356 (or 1306348 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 125408928 is about 11198.6127712320. The cubic root of 125408928 is about 500.5446438441.

The spelling of 125408928 in words is "one hundred twenty-five million, four hundred eight thousand, nine hundred twenty-eight".