129242514 has 16 divisors (see below), whose sum is σ = 263362752. Its totient is φ = 42267888.

The previous prime is 129242501. The next prime is 129242539. The reversal of 129242514 is 415242921.

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 7 ways as a sum of consecutive naturals, for example, 202894 + ... + 203529.

It is an arithmetic number, because the mean of its divisors is an integer number (16460172).

Almost surely, 2^129242514 is an apocalyptic number.

129242514 is an abundant number, since it is smaller than the sum of its proper divisors (134120238).

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

129242514 is a wasteful number, since it uses less digits than its factorization.

129242514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406481.

The product of its digits is 5760, while the sum is 30.

The square root of 129242514 is about 11368.4877622312. The cubic root of 129242514 is about 505.5938692016.

The spelling of 129242514 in words is "one hundred twenty-nine million, two hundred forty-two thousand, five hundred fourteen".