129908204 has 12 divisors (see below), whose sum is σ = 228360384. Its totient is φ = 64662384.

The previous prime is 129908189. The next prime is 129908257. The reversal of 129908204 is 402809921.

It is a super-2 number, since 2×129908204² = 33752282933011232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71927 + ... + 73710.

It is an arithmetic number, because the mean of its divisors is an integer number (19030032).

Almost surely, 2^129908204 is an apocalyptic number.

It is an amenable number.

129908204 is a deficient number, since it is larger than the sum of its proper divisors (98452180).

129908204 is a wasteful number, since it uses less digits than its factorization.

129908204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145864 (or 145862 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 129908204 is about 11397.7280192151. The cubic root of 129908204 is about 506.4604379614.

The spelling of 129908204 in words is "one hundred twenty-nine million, nine hundred eight thousand, two hundred four".