128822684 has 12 divisors (see below), whose sum is σ = 228615408. Its totient is φ = 63504000.

The previous prime is 128822653. The next prime is 128822713. The reversal of 128822684 is 486228821.

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, 226517 + ... + 227084.

It is an arithmetic number, because the mean of its divisors is an integer number (19051284).

Almost surely, 2^128822684 is an apocalyptic number.

It is an amenable number.

128822684 is a deficient number, since it is larger than the sum of its proper divisors (99792724).

128822684 is a wasteful number, since it uses less digits than its factorization.

128822684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453676 (or 453674 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 128822684 is about 11350.0081057240. The cubic root of 128822684 is about 505.0458201081.

The spelling of 128822684 in words is "one hundred twenty-eight million, eight hundred twenty-two thousand, six hundred eighty-four".