128818196 has 48 divisors (see below), whose sum is σ = 253338624. Its totient is φ = 56923776.

The previous prime is 128818169. The next prime is 128818213. The reversal of 128818196 is 691818821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117965 + ... + 119051.

It is an arithmetic number, because the mean of its divisors is an integer number (5277888).

Almost surely, 2^128818196 is an apocalyptic number.

It is an amenable number.

128818196 is a deficient number, since it is larger than the sum of its proper divisors (124520428).

128818196 is a wasteful number, since it uses less digits than its factorization.

128818196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its digits is 55296, while the sum is 44.

The square root of 128818196 is about 11349.8103948921. The cubic root of 128818196 is about 505.0399550128.

The spelling of 128818196 in words is "one hundred twenty-eight million, eight hundred eighteen thousand, one hundred ninety-six".