125604556 has 24 divisors (see below), whose sum is σ = 274046976. Its totient is φ = 48936720.

The previous prime is 125604461. The next prime is 125604571. The reversal of 125604556 is 655406521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203596 + ... + 204211.

It is an arithmetic number, because the mean of its divisors is an integer number (11418624).

Almost surely, 2^125604556 is an apocalyptic number.

It is an amenable number.

125604556 is an abundant number, since it is smaller than the sum of its proper divisors (148442420).

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

125604556 is a wasteful number, since it uses less digits than its factorization.

125604556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407829 (or 407827 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 125604556 is about 11207.3438423205. The cubic root of 125604556 is about 500.8047786344.

The spelling of 125604556 in words is "one hundred twenty-five million, six hundred four thousand, five hundred fifty-six".