125586978 has 16 divisors (see below), whose sum is σ = 274008096. Its totient is φ = 38056640.

The previous prime is 125586959. The next prime is 125587019. The reversal of 125586978 is 879685521.

It is a self number, because there is not a number n which added to its sum of digits gives 125586978.

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, 951351 + ... + 951482.

It is an arithmetic number, because the mean of its divisors is an integer number (17125506).

Almost surely, 2^125586978 is an apocalyptic number.

125586978 is an abundant number, since it is smaller than the sum of its proper divisors (148421118).

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

125586978 is a wasteful number, since it uses less digits than its factorization.

125586978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902849.

The product of its digits is 1209600, while the sum is 51.

The square root of 125586978 is about 11206.5595969504. The cubic root of 125586978 is about 500.7814154769.

The spelling of 125586978 in words is "one hundred twenty-five million, five hundred eighty-six thousand, nine hundred seventy-eight".