129959000 has 32 divisors (see below), whose sum is σ = 304106400. Its totient is φ = 51983200.

The previous prime is 129958987. The next prime is 129959041. The reversal of 129959000 is 959921.

It is a congruent number.

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, 63980 + ... + 65979.

It is an arithmetic number, because the mean of its divisors is an integer number (9503325).

Almost surely, 2^129959000 is an apocalyptic number.

129959000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129959000 is an abundant number, since it is smaller than the sum of its proper divisors (174147400).

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

129959000 is a wasteful number, since it uses less digits than its factorization.

129959000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129980 (or 129966 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 129959000 is about 11399.9561402665. The cubic root of 129959000 is about 506.5264404956.

The spelling of 129959000 in words is "one hundred twenty-nine million, nine hundred fifty-nine thousand".