125842684 has 12 divisors (see below), whose sum is σ = 240245208. Its totient is φ = 57201200.

The previous prime is 125842679. The next prime is 125842699. The reversal of 125842684 is 486248521.

It is a happy number.

It is a super-2 number, since 2×125842684² = 31672762232647712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429987 + ... + 1430074.

It is an arithmetic number, because the mean of its divisors is an integer number (20020434).

Almost surely, 2^125842684 is an apocalyptic number.

It is an amenable number.

125842684 is a deficient number, since it is larger than the sum of its proper divisors (114402524).

125842684 is a wasteful number, since it uses less digits than its factorization.

125842684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860076 (or 2860074 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 125842684 is about 11217.9625601087. The cubic root of 125842684 is about 501.1210632226.

The spelling of 125842684 in words is "one hundred twenty-five million, eight hundred forty-two thousand, six hundred eighty-four".