117240163 has 2 divisors, whose sum is σ = 117240164. Its totient is φ = 117240162.

The previous prime is 117240157. The next prime is 117240173. The reversal of 117240163 is 361042711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117240163 - 2⁹ = 117239651 is a prime.

It is not a weakly prime, because it can be changed into another prime (117240103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58620081 + 58620082.

It is an arithmetic number, because the mean of its divisors is an integer number (58620082).

Almost surely, 2^117240163 is an apocalyptic number.

117240163 is a deficient number, since it is larger than the sum of its proper divisors (1).

117240163 is an equidigital number, since it uses as much as digits as its factorization.

117240163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 117240163 is about 10827.7496738704. The cubic root of 117240163 is about 489.4317485857.

Adding to 117240163 its reverse (361042711), we get a palindrome (478282874).

The spelling of 117240163 in words is "one hundred seventeen million, two hundred forty thousand, one hundred sixty-three".