129152703 has 4 divisors (see below), whose sum is σ = 172203608. Its totient is φ = 86101800.

The previous prime is 129152701. The next prime is 129152719. The reversal of 129152703 is 307251921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 129152703 - 2¹ = 129152701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129152701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21525448 + ... + 21525453.

It is an arithmetic number, because the mean of its divisors is an integer number (43050902).

Almost surely, 2^129152703 is an apocalyptic number.

129152703 is a deficient number, since it is larger than the sum of its proper divisors (43050905).

129152703 is an equidigital number, since it uses as much as digits as its factorization.

129152703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43050904.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 129152703 is about 11364.5370781216. The cubic root of 129152703 is about 505.4767291789.

The spelling of 129152703 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, seven hundred three".