129598107 has 8 divisors (see below), whose sum is σ = 181892160. Its totient is φ = 81851400.

The previous prime is 129598097. The next prime is 129598127. The reversal of 129598107 is 701895921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-129598107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129598127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136769 + ... + 1136882.

It is an arithmetic number, because the mean of its divisors is an integer number (22736520).

Almost surely, 2^129598107 is an apocalyptic number.

129598107 is a deficient number, since it is larger than the sum of its proper divisors (52294053).

129598107 is a wasteful number, since it uses less digits than its factorization.

129598107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273673.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 129598107 is about 11384.1164347524. The cubic root of 129598107 is about 506.0571352523.

The spelling of 129598107 in words is "one hundred twenty-nine million, five hundred ninety-eight thousand, one hundred seven".