1112102909 has 2 divisors, whose sum is σ = 1112102910. Its totient is φ = 1112102908.

The previous prime is 1112102903. The next prime is 1112102941. The reversal of 1112102909 is 9092012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100779684 + 11323225 = 33178^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112102909 - 2²⁸ = 843667453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112102903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556051454 + 556051455.

It is an arithmetic number, because the mean of its divisors is an integer number (556051455).

Almost surely, 2^1112102909 is an apocalyptic number.

It is an amenable number.

1112102909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112102909 is an equidigital number, since it uses as much as digits as its factorization.

1112102909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1112102909 is about 33348.2069832847. The cubic root of 1112102909 is about 1036.0522516666.

The spelling of 1112102909 in words is "one billion, one hundred twelve million, one hundred two thousand, nine hundred nine".