128879043 has 8 divisors (see below), whose sum is σ = 172128000. Its totient is φ = 85774728.

The previous prime is 128879021. The next prime is 128879053. The reversal of 128879043 is 340978821.

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

It is not a de Polignac number, because 128879043 - 2⁹ = 128878531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128878986 and 128879004.

It is not an unprimeable number, because it can be changed into a prime (128879053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34063 + ... + 37656.

It is an arithmetic number, because the mean of its divisors is an integer number (21516000).

Almost surely, 2^128879043 is an apocalyptic number.

128879043 is a deficient number, since it is larger than the sum of its proper divisors (43248957).

128879043 is an equidigital number, since it uses as much as digits as its factorization.

128879043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72321.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 128879043 is about 11352.4906077918. The cubic root of 128879043 is about 505.1194606776.

The spelling of 128879043 in words is "one hundred twenty-eight million, eight hundred seventy-nine thousand, forty-three".