125161004 has 12 divisors (see below), whose sum is σ = 231916104. Its totient is φ = 58899264.

The previous prime is 125160983. The next prime is 125161033. The reversal of 125161004 is 400161521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920234 + ... + 920369.

It is an arithmetic number, because the mean of its divisors is an integer number (19326342).

Almost surely, 2^125161004 is an apocalyptic number.

It is an amenable number.

125161004 is a deficient number, since it is larger than the sum of its proper divisors (106755100).

125161004 is a wasteful number, since it uses less digits than its factorization.

125161004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840624 (or 1840622 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 125161004 is about 11187.5378882040. The cubic root of 125161004 is about 500.2145798978.

The spelling of 125161004 in words is "one hundred twenty-five million, one hundred sixty-one thousand, four".