128224268 has 24 divisors (see below), whose sum is σ = 240609600. Its totient is φ = 59574528.

The previous prime is 128224253. The next prime is 128224273. The reversal of 128224268 is 862422821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6563 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (10025400).

Almost surely, 2^128224268 is an apocalyptic number.

It is an amenable number.

128224268 is a deficient number, since it is larger than the sum of its proper divisors (112385332).

128224268 is a wasteful number, since it uses less digits than its factorization.

128224268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23969 (or 23967 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 128224268 is about 11323.6155003603. The cubic root of 128224268 is about 504.2625815315.

The spelling of 128224268 in words is "one hundred twenty-eight million, two hundred twenty-four thousand, two hundred sixty-eight".