129572908 has 12 divisors (see below), whose sum is σ = 230137432. Its totient is φ = 63819360.

The previous prime is 129572903. The next prime is 129572917. The reversal of 129572908 is 809275921.

129572908 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (129572903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241473 + ... + 242008.

Almost surely, 2^129572908 is an apocalyptic number.

It is an amenable number.

129572908 is a deficient number, since it is larger than the sum of its proper divisors (100564524).

129572908 is a wasteful number, since it uses less digits than its factorization.

129572908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483552 (or 483550 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 129572908 is about 11383.0096196041. The cubic root of 129572908 is about 506.0243339493.

The spelling of 129572908 in words is "one hundred twenty-nine million, five hundred seventy-two thousand, nine hundred eight".