117171194 has 32 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 47295360.

The previous prime is 117171167. The next prime is 117171199. The reversal of 117171194 is 491171711.

It is a self number, because there is not a number n which added to its sum of digits gives 117171194.

It is not an unprimeable number, because it can be changed into a prime (117171199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13127 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (6652800).

Almost surely, 2^117171194 is an apocalyptic number.

117171194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117171194 is a deficient number, since it is larger than the sum of its proper divisors (95718406).

117171194 is a wasteful number, since it uses less digits than its factorization.

117171194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118.

The product of its digits is 1764, while the sum is 32.

The square root of 117171194 is about 10824.5643792256. The cubic root of 117171194 is about 489.3357569087.

The spelling of 117171194 in words is "one hundred seventeen million, one hundred seventy-one thousand, one hundred ninety-four".