117254971 has 2 divisors, whose sum is σ = 117254972. Its totient is φ = 117254970.

The previous prime is 117254953. The next prime is 117254981. The reversal of 117254971 is 179452711.

It is a strong prime.

It is an emirp because it is prime and its reverse (179452711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117254971 - 2⁵ = 117254939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117254971.

It is not a weakly prime, because it can be changed into another prime (117254911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58627485 + 58627486.

It is an arithmetic number, because the mean of its divisors is an integer number (58627486).

Almost surely, 2^117254971 is an apocalyptic number.

117254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

117254971 is an equidigital number, since it uses as much as digits as its factorization.

117254971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 117254971 is about 10828.4334508737. The cubic root of 117254971 is about 489.4523535844.

The spelling of 117254971 in words is "one hundred seventeen million, two hundred fifty-four thousand, nine hundred seventy-one".