129924897628 has 24 divisors (see below), whose sum is σ = 232227072000. Its totient is φ = 63574554288.

The previous prime is 129924897623. The next prime is 129924897649. The reversal of 129924897628 is 826798429921.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129924897623) 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, 2705773 + ... + 2753371.

It is an arithmetic number, because the mean of its divisors is an integer number (9676128000).

Almost surely, 2^129924897628 is an apocalyptic number.

It is an amenable number.

129924897628 is a deficient number, since it is larger than the sum of its proper divisors (102302174372).

129924897628 is a wasteful number, since it uses less digits than its factorization.

129924897628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62169 (or 62167 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 67.

The spelling of 129924897628 in words is "one hundred twenty-nine billion, nine hundred twenty-four million, eight hundred ninety-seven thousand, six hundred twenty-eight".