1112345009 has 2 divisors, whose sum is σ = 1112345010. Its totient is φ = 1112345008.

The previous prime is 1112344997. The next prime is 1112345033. The reversal of 1112345009 is 9005432111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826735009 + 285610000 = 28753^2 + 16900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112345009 - 2¹² = 1112340913 is a prime.

It is a super-2 number, since 2×1112345009² = 2474622838094420162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112345209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556172504 + 556172505.

It is an arithmetic number, because the mean of its divisors is an integer number (556172505).

Almost surely, 2^1112345009 is an apocalyptic number.

It is an amenable number.

1112345009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112345009 is an equidigital number, since it uses as much as digits as its factorization.

1112345009 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 1112345009 is about 33351.8366660668. The cubic root of 1112345009 is about 1036.1274275785.

The spelling of 1112345009 in words is "one billion, one hundred twelve million, three hundred forty-five thousand, nine".