113243729 has 2 divisors, whose sum is σ = 113243730. Its totient is φ = 113243728.

The previous prime is 113243707. The next prime is 113243759. The reversal of 113243729 is 927342311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 565504 = 10615^2 + 752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113243729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113243695 and 113243704.

It is not a weakly prime, because it can be changed into another prime (113243759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56621864 + 56621865.

It is an arithmetic number, because the mean of its divisors is an integer number (56621865).

Almost surely, 2^113243729 is an apocalyptic number.

It is an amenable number.

113243729 is a deficient number, since it is larger than the sum of its proper divisors (1).

113243729 is an equidigital number, since it uses as much as digits as its factorization.

113243729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 113243729 is about 10641.6036855354. The cubic root of 113243729 is about 483.8061528782.

The spelling of 113243729 in words is "one hundred thirteen million, two hundred forty-three thousand, seven hundred twenty-nine".