1112045309 has 2 divisors, whose sum is σ = 1112045310. Its totient is φ = 1112045308.

The previous prime is 1112045279. The next prime is 1112045353. The reversal of 1112045309 is 9035402111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956170084 + 155875225 = 30922^2 + 12485^2 .

It is an emirp because it is prime and its reverse (9035402111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112045309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112045369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556022654 + 556022655.

It is an arithmetic number, because the mean of its divisors is an integer number (556022655).

Almost surely, 2^1112045309 is an apocalyptic number.

It is an amenable number.

1112045309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112045309 is an equidigital number, since it uses as much as digits as its factorization.

1112045309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1112045309 is about 33347.3433574550. The cubic root of 1112045309 is about 1036.0343643412.

The spelling of 1112045309 in words is "one billion, one hundred twelve million, forty-five thousand, three hundred nine".