1113245117 has 2 divisors, whose sum is σ = 1113245118. Its totient is φ = 1113245116.

The previous prime is 1113245087. The next prime is 1113245141. The reversal of 1113245117 is 7115423111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081817881 + 31427236 = 32891^2 + 5606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113245117 - 2⁸ = 1113244861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113245167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556622558 + 556622559.

It is an arithmetic number, because the mean of its divisors is an integer number (556622559).

Almost surely, 2^1113245117 is an apocalyptic number.

It is an amenable number.

1113245117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113245117 is an equidigital number, since it uses as much as digits as its factorization.

1113245117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 26.

The square root of 1113245117 is about 33365.3280667222. The cubic root of 1113245117 is about 1036.4068298419.

Adding to 1113245117 its reverse (7115423111), we get a palindrome (8228668228).

The spelling of 1113245117 in words is "one billion, one hundred thirteen million, two hundred forty-five thousand, one hundred seventeen".