117681126 has 8 divisors (see below), whose sum is σ = 235362264. Its totient is φ = 39227040.

The previous prime is 117681107. The next prime is 117681131. The reversal of 117681126 is 621186711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

117681126 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806755 + ... + 9806766.

It is an arithmetic number, because the mean of its divisors is an integer number (29420283).

Almost surely, 2^117681126 is an apocalyptic number.

117681126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117681126 is a wasteful number, since it uses less digits than its factorization.

117681126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613526.

The product of its digits is 4032, while the sum is 33.

The square root of 117681126 is about 10848.0931965023. The cubic root of 117681126 is about 490.0445968017.

The spelling of 117681126 in words is "one hundred seventeen million, six hundred eighty-one thousand, one hundred twenty-six".