117171 has 12 divisors (see below), whose sum is σ = 173472. Its totient is φ = 76176.

The previous prime is 117167. The next prime is 117191. The reversal of 117171 is 171711.

It is not a de Polignac number, because 117171 - 2² = 117167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117101) 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, 285 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (14456).

2¹¹⁷¹⁷¹ is an apocalyptic number.

117171 is a deficient number, since it is larger than the sum of its proper divisors (56301).

117171 is a wasteful number, since it uses less digits than its factorization.

117171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its digits is 49, while the sum is 18.

The square root of 117171 is about 342.3024977998. The cubic root of 117171 is about 48.9335486845.

Adding to 117171 its reverse (171711), we get a palindrome (288882).

The spelling of 117171 in words is "one hundred seventeen thousand, one hundred seventy-one", and thus it is an iban number.