113456947 has 2 divisors, whose sum is σ = 113456948. Its totient is φ = 113456946.

The previous prime is 113456927. The next prime is 113456971. The reversal of 113456947 is 749654311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113456947 is a prime.

It is not a weakly prime, because it can be changed into another prime (113456927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56728473 + 56728474.

It is an arithmetic number, because the mean of its divisors is an integer number (56728474).

Almost surely, 2^113456947 is an apocalyptic number.

113456947 is a deficient number, since it is larger than the sum of its proper divisors (1).

113456947 is an equidigital number, since it uses as much as digits as its factorization.

113456947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 113456947 is about 10651.6171072753. The cubic root of 113456947 is about 484.1096031066.

It can be divided in two parts, 1134 and 56947, that added together give a square (58081 = 241²).

The spelling of 113456947 in words is "one hundred thirteen million, four hundred fifty-six thousand, nine hundred forty-seven".