129168304 has 20 divisors (see below), whose sum is σ = 252846664. Its totient is φ = 63917568.

The previous prime is 129168301. The next prime is 129168331. The reversal of 129168304 is 403861921.

It is a self number, because there is not a number n which added to its sum of digits gives 129168304.

It is not an unprimeable number, because it can be changed into a prime (129168301) 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, 40062 + ... + 43165.

Almost surely, 2^129168304 is an apocalyptic number.

It is an amenable number.

129168304 is a deficient number, since it is larger than the sum of its proper divisors (123678360).

129168304 is an equidigital number, since it uses as much as digits as its factorization.

129168304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83332 (or 83326 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 129168304 is about 11365.2234469895. The cubic root of 129168304 is about 505.4970813789.

The spelling of 129168304 in words is "one hundred twenty-nine million, one hundred sixty-eight thousand, three hundred four".