125979579 has 48 divisors (see below), whose sum is σ = 210772224. Its totient is φ = 71755200.

The previous prime is 125979563. The next prime is 125979611. The reversal of 125979579 is 975979521.

125979579 is a `hidden beast` number, since 12 + 59 + 7 + 9 + 579 = 666.

It is not a de Polignac number, because 125979579 - 2⁴ = 125979563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125979179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138444 + ... + 139350.

It is an arithmetic number, because the mean of its divisors is an integer number (4391088).

Almost surely, 2^125979579 is an apocalyptic number.

125979579 is a deficient number, since it is larger than the sum of its proper divisors (84792645).

125979579 is a wasteful number, since it uses less digits than its factorization.

125979579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The square root of 125979579 is about 11224.0624998260. The cubic root of 125979579 is about 501.3027082879.

The spelling of 125979579 in words is "one hundred twenty-five million, nine hundred seventy-nine thousand, five hundred seventy-nine".