125555628 has 48 divisors (see below), whose sum is σ = 320302080. Its totient is φ = 37963200.

The previous prime is 125555627. The next prime is 125555671. The reversal of 125555628 is 826555521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (125555621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86533 + ... + 87971.

It is an arithmetic number, because the mean of its divisors is an integer number (6672960).

Almost surely, 2^125555628 is an apocalyptic number.

It is an amenable number.

125555628 is an abundant number, since it is smaller than the sum of its proper divisors (194746452).

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

125555628 is a wasteful number, since it uses less digits than its factorization.

125555628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2116 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The square root of 125555628 is about 11205.1607752856. The cubic root of 125555628 is about 500.7397423561.

The spelling of 125555628 in words is "one hundred twenty-five million, five hundred fifty-five thousand, six hundred twenty-eight".