129043888 has 10 divisors (see below), whose sum is σ = 250022564. Its totient is φ = 64521936.

The previous prime is 129043883. The next prime is 129043891. The reversal of 129043888 is 888340921.

It is not an unprimeable number, because it can be changed into a prime (129043883) by changing a digit.

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 as a sum of consecutive naturals, namely, 4032606 + ... + 4032637.

Almost surely, 2^129043888 is an apocalyptic number.

It is an amenable number.

129043888 is a deficient number, since it is larger than the sum of its proper divisors (120978676).

129043888 is an equidigital number, since it uses as much as digits as its factorization.

129043888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065251 (or 8065245 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 129043888 is about 11359.7485887673. The cubic root of 129043888 is about 505.3347295573.

The spelling of 129043888 in words is "one hundred twenty-nine million, forty-three thousand, eight hundred eighty-eight".