117340291 has 2 divisors, whose sum is σ = 117340292. Its totient is φ = 117340290.

The previous prime is 117340243. The next prime is 117340297. The reversal of 117340291 is 192043711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117340291 - 2⁹ = 117339779 is a prime.

It is not a weakly prime, because it can be changed into another prime (117340297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58670145 + 58670146.

It is an arithmetic number, because the mean of its divisors is an integer number (58670146).

Almost surely, 2^117340291 is an apocalyptic number.

117340291 is a deficient number, since it is larger than the sum of its proper divisors (1).

117340291 is an equidigital number, since it uses as much as digits as its factorization.

117340291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 117340291 is about 10832.3723625067. The cubic root of 117340291 is about 489.5710406635.

The spelling of 117340291 in words is "one hundred seventeen million, three hundred forty thousand, two hundred ninety-one".