129957095 has 16 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 97297920.

The previous prime is 129957083. The next prime is 129957097. The reversal of 129957095 is 590759921.

It is not a de Polignac number, because 129957095 - 2²⁰ = 128908519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129957097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11162 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (10378368).

Almost surely, 2^129957095 is an apocalyptic number.

129957095 is a deficient number, since it is larger than the sum of its proper divisors (36096793).

129957095 is a wasteful number, since it uses less digits than its factorization.

129957095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650.

The product of its (nonzero) digits is 255150, while the sum is 47.

The square root of 129957095 is about 11399.8725870073. The cubic root of 129957095 is about 506.5239655161.

The spelling of 129957095 in words is "one hundred twenty-nine million, nine hundred fifty-seven thousand, ninety-five".