128879230 has 8 divisors (see below), whose sum is σ = 231982632. Its totient is φ = 51551688.

The previous prime is 128879221. The next prime is 128879243. The reversal of 128879230 is 32978821.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6443952 + ... + 6443971.

It is an arithmetic number, because the mean of its divisors is an integer number (28997829).

Almost surely, 2^128879230 is an apocalyptic number.

128879230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128879230 is a deficient number, since it is larger than the sum of its proper divisors (103103402).

128879230 is a wasteful number, since it uses less digits than its factorization.

128879230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887930.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 128879230 is about 11352.4988438669. The cubic root of 128879230 is about 505.1197049824.

The spelling of 128879230 in words is "one hundred twenty-eight million, eight hundred seventy-nine thousand, two hundred thirty".