117129994 has 8 divisors (see below), whose sum is σ = 176344128. Its totient is φ = 58348620.

The previous prime is 117129967. The next prime is 117130031. The reversal of 117129994 is 499921711.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117129994.

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, 107512 + ... + 108595.

It is an arithmetic number, because the mean of its divisors is an integer number (22043016).

Almost surely, 2^117129994 is an apocalyptic number.

117129994 is a deficient number, since it is larger than the sum of its proper divisors (59214134).

117129994 is a wasteful number, since it uses less digits than its factorization.

117129994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216380.

The product of its digits is 40824, while the sum is 43.

The square root of 117129994 is about 10822.6611330116. The cubic root of 117129994 is about 489.2783964035.

The spelling of 117129994 in words is "one hundred seventeen million, one hundred twenty-nine thousand, nine hundred ninety-four".