117461191 has 2 divisors, whose sum is σ = 117461192. Its totient is φ = 117461190.

The previous prime is 117461167. The next prime is 117461219. The reversal of 117461191 is 191164711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117461191 - 2⁵ = 117461159 is a prime.

It is a super-2 number, since 2×117461191² = 27594262782276962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117461101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58730595 + 58730596.

It is an arithmetic number, because the mean of its divisors is an integer number (58730596).

Almost surely, 2^117461191 is an apocalyptic number.

117461191 is a deficient number, since it is larger than the sum of its proper divisors (1).

117461191 is an equidigital number, since it uses as much as digits as its factorization.

117461191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 31.

The square root of 117461191 is about 10837.9514208175. The cubic root of 117461191 is about 489.7391239414.

The spelling of 117461191 in words is "one hundred seventeen million, four hundred sixty-one thousand, one hundred ninety-one".