117171207 has 12 divisors (see below), whose sum is σ = 169359424. Its totient is φ = 78062400.

The previous prime is 117171203. The next prime is 117171209. The reversal of 117171207 is 702171711.

It is not a de Polignac number, because 117171207 - 2² = 117171203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117171203) 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, 14223 + ... + 20895.

Almost surely, 2^117171207 is an apocalyptic number.

117171207 is a deficient number, since it is larger than the sum of its proper divisors (52188217).

117171207 is a wasteful number, since it uses less digits than its factorization.

117171207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8627 counting only the distinct ones).

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

The square root of 117171207 is about 10824.5649797117. The cubic root of 117171207 is about 489.3357750057.

The spelling of 117171207 in words is "one hundred seventeen million, one hundred seventy-one thousand, two hundred seven".