117528128 has 28 divisors (see below), whose sum is σ = 233568240. Its totient is φ = 58676352.

The previous prime is 117528127. The next prime is 117528133. The reversal of 117528128 is 821825711.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117528121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73643 + ... + 75221.

Almost surely, 2^117528128 is an apocalyptic number.

It is an amenable number.

117528128 is a deficient number, since it is larger than the sum of its proper divisors (116040112).

117528128 is a wasteful number, since it uses less digits than its factorization.

117528128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2744 counting only the distinct ones).

The product of its digits is 8960, while the sum is 35.

The square root of 117528128 is about 10841.0390645915. The cubic root of 117528128 is about 489.8321346410.

The spelling of 117528128 in words is "one hundred seventeen million, five hundred twenty-eight thousand, one hundred twenty-eight".