128882842 has 8 divisors (see below), whose sum is σ = 210899232. Its totient is φ = 58583100.

The previous prime is 128882839. The next prime is 128882849. The reversal of 128882842 is 248288821.

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

It is a super-2 number, since 2×128882842² = 33221573923993928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128882849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929134 + ... + 2929177.

It is an arithmetic number, because the mean of its divisors is an integer number (26362404).

Almost surely, 2^128882842 is an apocalyptic number.

128882842 is a deficient number, since it is larger than the sum of its proper divisors (82016390).

128882842 is a wasteful number, since it uses less digits than its factorization.

128882842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858324.

The product of its digits is 131072, while the sum is 43.

The square root of 128882842 is about 11352.6579266707. The cubic root of 128882842 is about 505.1244238067.

The spelling of 128882842 in words is "one hundred twenty-eight million, eight hundred eighty-two thousand, eight hundred forty-two".