128024226 has 40 divisors (see below), whose sum is σ = 312952464. Its totient is φ = 38794680.

The previous prime is 128024209. The next prime is 128024231. The reversal of 128024226 is 622420821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 128024226.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34140 + ... + 37703.

Almost surely, 2^128024226 is an apocalyptic number.

128024226 is an abundant number, since it is smaller than the sum of its proper divisors (184928238).

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

128024226 is a wasteful number, since it uses less digits than its factorization.

128024226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71868 (or 71859 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 128024226 is about 11314.7790963854. The cubic root of 128024226 is about 504.0002125849. Note that the first 3 decimals are identical.

The spelling of 128024226 in words is "one hundred twenty-eight million, twenty-four thousand, two hundred twenty-six".