129083104 has 24 divisors (see below), whose sum is σ = 255286080. Its totient is φ = 64248576.

The previous prime is 129083083. The next prime is 129083111. The reversal of 129083104 is 401380921.

It is a happy number.

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, 1909 + ... + 16180.

It is an arithmetic number, because the mean of its divisors is an integer number (10636920).

Almost surely, 2^129083104 is an apocalyptic number.

It is an amenable number.

129083104 is a deficient number, since it is larger than the sum of its proper divisors (126202976).

129083104 is a wasteful number, since it uses less digits than its factorization.

129083104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18322 (or 18314 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 129083104 is about 11361.4745521873. The cubic root of 129083104 is about 505.3859142096.

The spelling of 129083104 in words is "one hundred twenty-nine million, eighty-three thousand, one hundred four".