129083004 has 48 divisors (see below), whose sum is σ = 339673600. Its totient is φ = 42383088.

The previous prime is 129082997. The next prime is 129083027. The reversal of 129083004 is 400380921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 16155.

Almost surely, 2^129083004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129083004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169836800).

129083004 is an abundant number, since it is smaller than the sum of its proper divisors (210590596).

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

129083004 is a wasteful number, since it uses less digits than its factorization.

129083004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919 (or 17911 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 129083004 is about 11361.4701513493. The cubic root of 129083004 is about 505.3857837030.

The spelling of 129083004 in words is "one hundred twenty-nine million, eighty-three thousand, four".