117262188 has 48 divisors (see below), whose sum is σ = 317237760. Its totient is φ = 37387152.

The previous prime is 117262177. The next prime is 117262199. The reversal of 117262188 is 881262711.

It is an interprime number because it is at equal distance from previous prime (117262177) and next prime (117262199).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21120 + ... + 26087.

It is an arithmetic number, because the mean of its divisors is an integer number (6609120).

Almost surely, 2^117262188 is an apocalyptic number.

117262188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117262188 is an abundant number, since it is smaller than the sum of its proper divisors (199975572).

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

117262188 is a wasteful number, since it uses less digits than its factorization.

117262188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47243 (or 47235 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 117262188 is about 10828.7666887786. The cubic root of 117262188 is about 489.4623952487.

The spelling of 117262188 in words is "one hundred seventeen million, two hundred sixty-two thousand, one hundred eighty-eight".