118112171 has 2 divisors, whose sum is σ = 118112172. Its totient is φ = 118112170.

The previous prime is 118112161. The next prime is 118112179. The reversal of 118112171 is 171211811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118112171 - 2²⁶ = 51003307 is a prime.

It is not a weakly prime, because it can be changed into another prime (118112179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59056085 + 59056086.

It is an arithmetic number, because the mean of its divisors is an integer number (59056086).

Almost surely, 2^118112171 is an apocalyptic number.

118112171 is a deficient number, since it is larger than the sum of its proper divisors (1).

118112171 is an equidigital number, since it uses as much as digits as its factorization.

118112171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112, while the sum is 23.

The square root of 118112171 is about 10867.9423535460. The cubic root of 118112171 is about 490.6421831298.

Adding to 118112171 its reverse (171211811), we get a palindrome (289323982).

The spelling of 118112171 in words is "one hundred eighteen million, one hundred twelve thousand, one hundred seventy-one".