129624970 has 8 divisors (see below), whose sum is σ = 233324964. Its totient is φ = 51849984.

The previous prime is 129624961. The next prime is 129624997. The reversal of 129624970 is 79426921.

It can be written as a sum of positive squares in 2 ways, for example, as 129345129 + 279841 = 11373^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481239 + ... + 6481258.

Almost surely, 2^129624970 is an apocalyptic number.

129624970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129624970 is a deficient number, since it is larger than the sum of its proper divisors (103699994).

129624970 is a wasteful number, since it uses less digits than its factorization.

129624970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962504.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 129624970 is about 11385.2962192470. The cubic root of 129624970 is about 506.0920978866.

The spelling of 129624970 in words is "one hundred twenty-nine million, six hundred twenty-four thousand, nine hundred seventy".