112205609 has 2 divisors, whose sum is σ = 112205610. Its totient is φ = 112205608.

The previous prime is 112205567. The next prime is 112205617. The reversal of 112205609 is 906502211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87235600 + 24970009 = 9340^2 + 4997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112205609 is a prime.

It is not a weakly prime, because it can be changed into another prime (112205689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56102804 + 56102805.

It is an arithmetic number, because the mean of its divisors is an integer number (56102805).

Almost surely, 2^112205609 is an apocalyptic number.

It is an amenable number.

112205609 is a deficient number, since it is larger than the sum of its proper divisors (1).

112205609 is an equidigital number, since it uses as much as digits as its factorization.

112205609 is an odious number, because the sum of its binary digits is odd.

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

The square root of 112205609 is about 10592.7149022335. The cubic root of 112205609 is about 482.3232409356.

The spelling of 112205609 in words is "one hundred twelve million, two hundred five thousand, six hundred nine".