117022391 has 2 divisors, whose sum is σ = 117022392. Its totient is φ = 117022390.

The previous prime is 117022363. The next prime is 117022457. The reversal of 117022391 is 193220711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117022391 - 2⁶ = 117022327 is a prime.

It is a super-3 number, since 3×117022391³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117022391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117022891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58511195 + 58511196.

It is an arithmetic number, because the mean of its divisors is an integer number (58511196).

Almost surely, 2^117022391 is an apocalyptic number.

117022391 is a deficient number, since it is larger than the sum of its proper divisors (1).

117022391 is an equidigital number, since it uses as much as digits as its factorization.

117022391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 117022391 is about 10817.6888012181. The cubic root of 117022391 is about 489.1285231684.

The spelling of 117022391 in words is "one hundred seventeen million, twenty-two thousand, three hundred ninety-one".