129229504 has 14 divisors (see below), whose sum is σ = 256439924. Its totient is φ = 64614720.

The previous prime is 129229487. The next prime is 129229517. The reversal of 129229504 is 405922921.

It is a self number, because there is not a number n which added to its sum of digits gives 129229504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009542 + ... + 1009669.

Almost surely, 2^129229504 is an apocalyptic number.

It is an amenable number.

129229504 is a deficient number, since it is larger than the sum of its proper divisors (127210420).

129229504 is an equidigital number, since it uses as much as digits as its factorization.

129229504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019223 (or 2019213 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 129229504 is about 11367.9155521142. The cubic root of 129229504 is about 505.5769036878.

The spelling of 129229504 in words is "one hundred twenty-nine million, two hundred twenty-nine thousand, five hundred four".