118171171 has 8 divisors (see below), whose sum is σ = 123549984. Its totient is φ = 112812480.

The previous prime is 118171169. The next prime is 118171177. The reversal of 118171171 is 171171811.

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

It is a cyclic number.

It is not a de Polignac number, because 118171171 - 2¹ = 118171169 is a prime.

It is a super-2 number, since 2×118171171² = 27928851311022482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118171177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7695 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (15443748).

Almost surely, 2^118171171 is an apocalyptic number.

118171171 is a deficient number, since it is larger than the sum of its proper divisors (5378813).

118171171 is an equidigital number, since it uses as much as digits as its factorization.

118171171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061.

The product of its digits is 392, while the sum is 28.

The square root of 118171171 is about 10870.6564199224. The cubic root of 118171171 is about 490.7238655673.

The spelling of 118171171 in words is "one hundred eighteen million, one hundred seventy-one thousand, one hundred seventy-one".