129874084 has 24 divisors (see below), whose sum is σ = 243559008. Its totient is φ = 60378240.

The previous prime is 129874057. The next prime is 129874091. The reversal of 129874084 is 480478921.

It is a self number, because there is not a number n which added to its sum of digits gives 129874084.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5862 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (10148292).

Almost surely, 2^129874084 is an apocalyptic number.

It is an amenable number.

129874084 is a deficient number, since it is larger than the sum of its proper divisors (113684924).

129874084 is a wasteful number, since it uses less digits than its factorization.

129874084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115 (or 23113 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 129874084 is about 11396.2311313873. The cubic root of 129874084 is about 506.4160939741.

It can be divided in two parts, 12987 and 4084, that added together give a palindrome (17071).

The spelling of 129874084 in words is "one hundred twenty-nine million, eight hundred seventy-four thousand, eighty-four".