128959230 has 32 divisors (see below), whose sum is σ = 320176800. Its totient is φ = 33203072.

The previous prime is 128959219. The next prime is 128959247. The reversal of 128959230 is 32959821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73245 + ... + 74984.

It is an arithmetic number, because the mean of its divisors is an integer number (10005525).

Almost surely, 2^128959230 is an apocalyptic number.

128959230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128959230 is an abundant number, since it is smaller than the sum of its proper divisors (191217570).

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

128959230 is a wasteful number, since it uses less digits than its factorization.

128959230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148268.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 128959230 is about 11356.0217505956. The cubic root of 128959230 is about 505.2241987219.

The spelling of 128959230 in words is "one hundred twenty-eight million, nine hundred fifty-nine thousand, two hundred thirty".