171117141 has 8 divisors (see below), whose sum is σ = 245706720. Its totient is φ = 105302832.

The previous prime is 171117127. The next prime is 171117161. The reversal of 171117141 is 141711171.

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

It is not a de Polignac number, because 171117141 - 2⁵ = 171117109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171117161) 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, 2193771 + ... + 2193848.

It is an arithmetic number, because the mean of its divisors is an integer number (30713340).

Almost surely, 2^171117141 is an apocalyptic number.

It is an amenable number.

171117141 is a deficient number, since it is larger than the sum of its proper divisors (74589579).

171117141 is a wasteful number, since it uses less digits than its factorization.

171117141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387635.

The product of its digits is 196, while the sum is 24.

The square root of 171117141 is about 13081.1750618972. The cubic root of 171117141 is about 555.1766242491.

The spelling of 171117141 in words is "one hundred seventy-one million, one hundred seventeen thousand, one hundred forty-one".