112117609 has 2 divisors, whose sum is σ = 112117610. Its totient is φ = 112117608.

The previous prime is 112117559. The next prime is 112117619. The reversal of 112117609 is 906711211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 1447209 = 10520^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 112117609 - 2⁹ = 112117097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112117619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56058804 + 56058805.

It is an arithmetic number, because the mean of its divisors is an integer number (56058805).

Almost surely, 2^112117609 is an apocalyptic number.

It is an amenable number.

112117609 is a deficient number, since it is larger than the sum of its proper divisors (1).

112117609 is an equidigital number, since it uses as much as digits as its factorization.

112117609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 112117609 is about 10588.5602892933. The cubic root of 112117609 is about 482.1971166819.

The spelling of 112117609 in words is "one hundred twelve million, one hundred seventeen thousand, six hundred nine".