129252804 has 24 divisors (see below), whose sum is σ = 302217888. Its totient is φ = 42994560.

The previous prime is 129252757. The next prime is 129252811. The reversal of 129252804 is 408252921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5077 + ... + 16860.

It is an arithmetic number, because the mean of its divisors is an integer number (12592412).

Almost surely, 2^129252804 is an apocalyptic number.

It is an amenable number.

129252804 is an abundant number, since it is smaller than the sum of its proper divisors (172965084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129252804 is a wasteful number, since it uses less digits than its factorization.

129252804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22435 (or 22433 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 129252804 is about 11368.9403200122. The cubic root of 129252804 is about 505.6072869300.

The spelling of 129252804 in words is "one hundred twenty-nine million, two hundred fifty-two thousand, eight hundred four".