117601128 has 48 divisors (see below), whose sum is σ = 319066020. Its totient is φ = 39131136.

The previous prime is 117601109. The next prime is 117601157. The reversal of 117601128 is 821106711.

It can be written as a sum of positive squares in 2 ways, for example, as 75377124 + 42224004 = 8682^2 + 6498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54600 + ... + 56712.

Almost surely, 2^117601128 is an apocalyptic number.

117601128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117601128 is an abundant number, since it is smaller than the sum of its proper divisors (201464892).

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

117601128 is a wasteful number, since it uses less digits than its factorization.

117601128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 117601128 is about 10844.4053778896. The cubic root of 117601128 is about 489.9335297868.

Adding to 117601128 its reverse (821106711), we get a palindrome (938707839).

The spelling of 117601128 in words is "one hundred seventeen million, six hundred one thousand, one hundred twenty-eight".