117681148 has 12 divisors (see below), whose sum is σ = 221783800. Its totient is φ = 54314352.

The previous prime is 117681143. The next prime is 117681167. The reversal of 117681148 is 841186711.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117681143) 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, 1131498 + ... + 1131601.

Almost surely, 2^117681148 is an apocalyptic number.

It is an amenable number.

117681148 is a deficient number, since it is larger than the sum of its proper divisors (104102652).

117681148 is a wasteful number, since it uses less digits than its factorization.

117681148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263116 (or 2263114 counting only the distinct ones).

The product of its digits is 10752, while the sum is 37.

The square root of 117681148 is about 10848.0942105054. The cubic root of 117681148 is about 490.0446273390.

The spelling of 117681148 in words is "one hundred seventeen million, six hundred eighty-one thousand, one hundred forty-eight".