117128184 has 32 divisors (see below), whose sum is σ = 293205120. Its totient is φ = 38991456.

The previous prime is 117128171. The next prime is 117128191. The reversal of 117128184 is 481821711.

It is a super-2 number, since 2×117128184² = 27438022974275712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18429 + ... + 23955.

It is an arithmetic number, because the mean of its divisors is an integer number (9162660).

Almost surely, 2^117128184 is an apocalyptic number.

It is an amenable number.

117128184 is an abundant number, since it is smaller than the sum of its proper divisors (176076936).

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

117128184 is a wasteful number, since it uses less digits than its factorization.

117128184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419 (or 6415 counting only the distinct ones).

The product of its digits is 3584, while the sum is 33.

The square root of 117128184 is about 10822.5775118499. The cubic root of 117128184 is about 489.2758761312.

Adding to 117128184 its reverse (481821711), we get a palindrome (598949895).

The spelling of 117128184 in words is "one hundred seventeen million, one hundred twenty-eight thousand, one hundred eighty-four".