129115160 has 16 divisors (see below), whose sum is σ = 290509200. Its totient is φ = 51646048.

The previous prime is 129115141. The next prime is 129115177. The reversal of 129115160 is 61511921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613900 + ... + 1613979.

It is an arithmetic number, because the mean of its divisors is an integer number (18156825).

Almost surely, 2^129115160 is an apocalyptic number.

129115160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129115160 is an abundant number, since it is smaller than the sum of its proper divisors (161394040).

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

129115160 is a wasteful number, since it uses less digits than its factorization.

129115160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227890 (or 3227886 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 129115160 is about 11362.8851969911. The cubic root of 129115160 is about 505.4277459430.

The spelling of 129115160 in words is "one hundred twenty-nine million, one hundred fifteen thousand, one hundred sixty".