129604252 has 12 divisors (see below), whose sum is σ = 230002416. Its totient is φ = 63889280.

The previous prime is 129604247. The next prime is 129604271. The reversal of 129604252 is 252406921.

It is a congruent number.

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, 227893 + ... + 228460.

It is an arithmetic number, because the mean of its divisors is an integer number (19166868).

Almost surely, 2^129604252 is an apocalyptic number.

It is an amenable number.

129604252 is a deficient number, since it is larger than the sum of its proper divisors (100398164).

129604252 is a wasteful number, since it uses less digits than its factorization.

129604252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456428 (or 456426 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 129604252 is about 11384.3863251385. The cubic root of 129604252 is about 506.0651334966.

The spelling of 129604252 in words is "one hundred twenty-nine million, six hundred four thousand, two hundred fifty-two".