128853128 has 16 divisors (see below), whose sum is σ = 241903500. Its totient is φ = 64345536.

The previous prime is 128853113. The next prime is 128853133. The reversal of 128853128 is 821358821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116165284 + 12687844 = 10778^2 + 3562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128853091 and 128853100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 16346.

Almost surely, 2^128853128 is an apocalyptic number.

It is an amenable number.

128853128 is a deficient number, since it is larger than the sum of its proper divisors (113050372).

128853128 is a wasteful number, since it uses less digits than its factorization.

128853128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20264 (or 20260 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 128853128 is about 11351.3491709136. The cubic root of 128853128 is about 505.0856019317.

The spelling of 128853128 in words is "one hundred twenty-eight million, eight hundred fifty-three thousand, one hundred twenty-eight".