129588942 has 16 divisors (see below), whose sum is σ = 296203392. Its totient is φ = 37025400.

The previous prime is 129588931. The next prime is 129588947. The reversal of 129588942 is 249885921.

It is a junction number, because it is equal to n+sod(n) for n = 129588891 and 129588900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129588947) 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, 1542684 + ... + 1542767.

It is an arithmetic number, because the mean of its divisors is an integer number (18512712).

Almost surely, 2^129588942 is an apocalyptic number.

129588942 is an abundant number, since it is smaller than the sum of its proper divisors (166614450).

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

129588942 is a wasteful number, since it uses less digits than its factorization.

129588942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085463.

The product of its digits is 414720, while the sum is 48.

The square root of 129588942 is about 11383.7138931018. The cubic root of 129588942 is about 506.0452057494.

The spelling of 129588942 in words is "one hundred twenty-nine million, five hundred eighty-eight thousand, nine hundred forty-two".