1113321239 has 2 divisors, whose sum is σ = 1113321240. Its totient is φ = 1113321238.

The previous prime is 1113321229. The next prime is 1113321241. The reversal of 1113321239 is 9321233111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113321239 is a prime.

Together with 1113321241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113321229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556660619 + 556660620.

It is an arithmetic number, because the mean of its divisors is an integer number (556660620).

Almost surely, 2^1113321239 is an apocalyptic number.

1113321239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113321239 is an equidigital number, since it uses as much as digits as its factorization.

1113321239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 1113321239 is about 33366.4687822970. The cubic root of 1113321239 is about 1036.4304519419.

The spelling of 1113321239 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred thirty-nine".