117741971 has 2 divisors, whose sum is σ = 117741972. Its totient is φ = 117741970.

The previous prime is 117741961. The next prime is 117741973. The reversal of 117741971 is 179147711.

It is a strong prime.

It is an emirp because it is prime and its reverse (179147711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117741971 - 2⁶ = 117741907 is a prime.

Together with 117741973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117741973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58870985 + 58870986.

It is an arithmetic number, because the mean of its divisors is an integer number (58870986).

Almost surely, 2^117741971 is an apocalyptic number.

117741971 is a deficient number, since it is larger than the sum of its proper divisors (1).

117741971 is an equidigital number, since it uses as much as digits as its factorization.

117741971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 38.

The square root of 117741971 is about 10850.8972440071. The cubic root of 117741971 is about 490.1290386241.

The spelling of 117741971 in words is "one hundred seventeen million, seven hundred forty-one thousand, nine hundred seventy-one".