129575022 has 16 divisors (see below), whose sum is σ = 272789760. Its totient is φ = 40918392.

The previous prime is 129574997. The next prime is 129575023. The reversal of 129575022 is 220575921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129575023) 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, 568198 + ... + 568425.

It is an arithmetic number, because the mean of its divisors is an integer number (17049360).

Almost surely, 2^129575022 is an apocalyptic number.

129575022 is an abundant number, since it is smaller than the sum of its proper divisors (143214738).

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

129575022 is a wasteful number, since it uses less digits than its factorization.

129575022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136647.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 129575022 is about 11383.1024769173. The cubic root of 129575022 is about 506.0270858868.

The spelling of 129575022 in words is "one hundred twenty-nine million, five hundred seventy-five thousand, twenty-two".