117841117 has 2 divisors, whose sum is σ = 117841118. Its totient is φ = 117841116.

The previous prime is 117841111. The next prime is 117841147. The reversal of 117841117 is 711148711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 37810201 = 8946^2 + 6149^2 .

It is a cyclic number.

It is not a de Polignac number, because 117841117 - 2²³ = 109452509 is a prime.

It is a super-3 number, since 3×117841117³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117841111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58920558 + 58920559.

It is an arithmetic number, because the mean of its divisors is an integer number (58920559).

Almost surely, 2^117841117 is an apocalyptic number.

It is an amenable number.

117841117 is a deficient number, since it is larger than the sum of its proper divisors (1).

117841117 is an equidigital number, since it uses as much as digits as its factorization.

117841117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1568, while the sum is 31.

The square root of 117841117 is about 10855.4648449525. The cubic root of 117841117 is about 490.2665729851.

Adding to 117841117 its reverse (711148711), we get a palindrome (828989828).

The spelling of 117841117 in words is "one hundred seventeen million, eight hundred forty-one thousand, one hundred seventeen".