113957971 has 2 divisors, whose sum is σ = 113957972. Its totient is φ = 113957970.

The previous prime is 113957959. The next prime is 113957981. The reversal of 113957971 is 179759311.

It is a strong prime.

It is an emirp because it is prime and its reverse (179759311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113957971 - 2⁷ = 113957843 is a prime.

It is not a weakly prime, because it can be changed into another prime (113957941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56978985 + 56978986.

It is an arithmetic number, because the mean of its divisors is an integer number (56978986).

Almost surely, 2^113957971 is an apocalyptic number.

113957971 is a deficient number, since it is larger than the sum of its proper divisors (1).

113957971 is an equidigital number, since it uses as much as digits as its factorization.

113957971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 43.

The square root of 113957971 is about 10675.1098823384. The cubic root of 113957971 is about 484.8211633842.

The spelling of 113957971 in words is "one hundred thirteen million, nine hundred fifty-seven thousand, nine hundred seventy-one".