125129164 has 12 divisors (see below), whose sum is σ = 219550464. Its totient is φ = 62400464.

The previous prime is 125129159. The next prime is 125129219. The reversal of 125129164 is 461921521.

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, 39307 + ... + 42370.

It is an arithmetic number, because the mean of its divisors is an integer number (18295872).

Almost surely, 2^125129164 is an apocalyptic number.

It is an amenable number.

125129164 is a deficient number, since it is larger than the sum of its proper divisors (94421300).

125129164 is a wasteful number, since it uses less digits than its factorization.

125129164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82064 (or 82062 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 125129164 is about 11186.1147857511. The cubic root of 125129164 is about 500.1721593822.

The spelling of 125129164 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, one hundred sixty-four".