117772101 has 12 divisors (see below), whose sum is σ = 170526720. Its totient is φ = 78324840.

The previous prime is 117772097. The next prime is 117772111. The reversal of 117772101 is 101277711.

It is not a de Polignac number, because 117772101 - 2² = 117772097 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117772111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11845 + ... + 19386.

It is an arithmetic number, because the mean of its divisors is an integer number (14210560).

Almost surely, 2^117772101 is an apocalyptic number.

It is an amenable number.

117772101 is a deficient number, since it is larger than the sum of its proper divisors (52754619).

117772101 is a wasteful number, since it uses less digits than its factorization.

117772101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31656 (or 31653 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 27.

The square root of 117772101 is about 10852.2855196498. The cubic root of 117772101 is about 490.1708428290.

The spelling of 117772101 in words is "one hundred seventeen million, seven hundred seventy-two thousand, one hundred one".