128970008 has 32 divisors (see below), whose sum is σ = 245475360. Its totient is φ = 63517440.

The previous prime is 128969987. The next prime is 128970011. The reversal of 128970008 is 800079821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128970008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231266 + ... + 231822.

It is an arithmetic number, because the mean of its divisors is an integer number (7671105).

Almost surely, 2^128970008 is an apocalyptic number.

It is an amenable number.

128970008 is a deficient number, since it is larger than the sum of its proper divisors (116505352).

128970008 is a wasteful number, since it uses less digits than its factorization.

128970008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 128970008 is about 11356.4962906699. The cubic root of 128970008 is about 505.2382733374.

The spelling of 128970008 in words is "one hundred twenty-eight million, nine hundred seventy thousand, eight".