129002716 has 12 divisors (see below), whose sum is σ = 226595880. Its totient is φ = 64261040.

The previous prime is 129002711. The next prime is 129002717. The reversal of 129002716 is 617200921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129002711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58870 + ... + 61021.

It is an arithmetic number, because the mean of its divisors is an integer number (18882990).

Almost surely, 2^129002716 is an apocalyptic number.

It is an amenable number.

129002716 is a deficient number, since it is larger than the sum of its proper divisors (97593164).

129002716 is a wasteful number, since it uses less digits than its factorization.

129002716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120164 (or 120162 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 129002716 is about 11357.9362562043. The cubic root of 129002716 is about 505.2809807774.

The spelling of 129002716 in words is "one hundred twenty-nine million, two thousand, seven hundred sixteen".