129246888 has 16 divisors (see below), whose sum is σ = 323117280. Its totient is φ = 43082288.

The previous prime is 129246877. The next prime is 129246893. The reversal of 129246888 is 888642921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692620 + ... + 2692667.

It is an arithmetic number, because the mean of its divisors is an integer number (20194830).

Almost surely, 2^129246888 is an apocalyptic number.

It is an amenable number.

129246888 is an abundant number, since it is smaller than the sum of its proper divisors (193870392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129246888 is a wasteful number, since it uses less digits than its factorization.

129246888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385296 (or 5385292 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 129246888 is about 11368.6801344747. The cubic root of 129246888 is about 505.5995728011.

The spelling of 129246888 in words is "one hundred twenty-nine million, two hundred forty-six thousand, eight hundred eighty-eight".