129973262 has 32 divisors (see below), whose sum is σ = 222393600. Its totient is φ = 56585088.

The previous prime is 129973237. The next prime is 129973309. The reversal of 129973262 is 262379921.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25439 + ... + 30117.

It is an arithmetic number, because the mean of its divisors is an integer number (6949800).

Almost surely, 2^129973262 is an apocalyptic number.

129973262 is a deficient number, since it is larger than the sum of its proper divisors (92420338).

129973262 is a wasteful number, since it uses less digits than its factorization.

129973262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760.

The product of its digits is 81648, while the sum is 41.

The square root of 129973262 is about 11400.5816518281. The cubic root of 129973262 is about 506.5449689439.

The spelling of 129973262 in words is "one hundred twenty-nine million, nine hundred seventy-three thousand, two hundred sixty-two".