129880104 has 32 divisors (see below), whose sum is σ = 330829920. Its totient is φ = 42476096.

The previous prime is 129880043. The next prime is 129880141. The reversal of 129880104 is 401088921.

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, 49782 + ... + 52325.

It is an arithmetic number, because the mean of its divisors is an integer number (10338435).

Almost surely, 2^129880104 is an apocalyptic number.

It is an amenable number.

129880104 is an abundant number, since it is smaller than the sum of its proper divisors (200949816).

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

129880104 is a wasteful number, since it uses less digits than its factorization.

129880104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102169 (or 102165 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 129880104 is about 11396.4952507339. The cubic root of 129880104 is about 506.4239184188.

The spelling of 129880104 in words is "one hundred twenty-nine million, eight hundred eighty thousand, one hundred four".