1113042209 has 2 divisors, whose sum is σ = 1113042210. Its totient is φ = 1113042208.

The previous prime is 1113042167. The next prime is 1113042233. The reversal of 1113042209 is 9022403111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667705600 + 445336609 = 25840^2 + 21103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113042209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113042239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556521104 + 556521105.

It is an arithmetic number, because the mean of its divisors is an integer number (556521105).

Almost surely, 2^1113042209 is an apocalyptic number.

It is an amenable number.

1113042209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113042209 is an equidigital number, since it uses as much as digits as its factorization.

1113042209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1113042209 is about 33362.2872267475. The cubic root of 1113042209 is about 1036.3438583807.

The spelling of 1113042209 in words is "one billion, one hundred thirteen million, forty-two thousand, two hundred nine".