1112297243 has 2 divisors, whose sum is σ = 1112297244. Its totient is φ = 1112297242.

The previous prime is 1112297237. The next prime is 1112297279. The reversal of 1112297243 is 3427922111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112297243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1112297843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556148621 + 556148622.

It is an arithmetic number, because the mean of its divisors is an integer number (556148622).

Almost surely, 2^1112297243 is an apocalyptic number.

1112297243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112297243 is an equidigital number, since it uses as much as digits as its factorization.

1112297243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1112297243 is about 33351.1205658820. The cubic root of 1112297243 is about 1036.1125963374.

The spelling of 1112297243 in words is "one billion, one hundred twelve million, two hundred ninety-seven thousand, two hundred forty-three".