117641171 has 2 divisors, whose sum is σ = 117641172. Its totient is φ = 117641170.

The previous prime is 117641087. The next prime is 117641189. The reversal of 117641171 is 171146711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117641171 - 2²² = 113446867 is a prime.

It is a super-2 number, since 2×117641171² = 27678890228502482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117641971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58820585 + 58820586.

It is an arithmetic number, because the mean of its divisors is an integer number (58820586).

Almost surely, 2^117641171 is an apocalyptic number.

117641171 is a deficient number, since it is larger than the sum of its proper divisors (1).

117641171 is an equidigital number, since it uses as much as digits as its factorization.

117641171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 29.

The square root of 117641171 is about 10846.2514722829. The cubic root of 117641171 is about 489.9891306766.

Adding to 117641171 its reverse (171146711), we get a palindrome (288787882).

The spelling of 117641171 in words is "one hundred seventeen million, six hundred forty-one thousand, one hundred seventy-one".