129180886924 has 24 divisors (see below), whose sum is σ = 228940584768. Its totient is φ = 63770314320.

The previous prime is 129180886921. The next prime is 129180886927. The reversal of 129180886924 is 429688081921.

It is an interprime number because it is at equal distance from previous prime (129180886921) and next prime (129180886927).

It is not an unprimeable number, because it can be changed into a prime (129180886921) 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, 381219 + ... + 635365.

It is an arithmetic number, because the mean of its divisors is an integer number (9539191032).

Almost surely, 2^129180886924 is an apocalyptic number.

It is an amenable number.

129180886924 is a deficient number, since it is larger than the sum of its proper divisors (99759697844).

129180886924 is a wasteful number, since it uses less digits than its factorization.

129180886924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255765 (or 255763 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 58.

The spelling of 129180886924 in words is "one hundred twenty-nine billion, one hundred eighty million, eight hundred eighty-six thousand, nine hundred twenty-four".