112291717 has 2 divisors, whose sum is σ = 112291718. Its totient is φ = 112291716.

The previous prime is 112291709. The next prime is 112291723. The reversal of 112291717 is 717192211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111492481 + 799236 = 10559^2 + 894^2 .

It is an emirp because it is prime and its reverse (717192211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112291717 - 2³ = 112291709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112291747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56145858 + 56145859.

It is an arithmetic number, because the mean of its divisors is an integer number (56145859).

Almost surely, 2^112291717 is an apocalyptic number.

It is an amenable number.

112291717 is a deficient number, since it is larger than the sum of its proper divisors (1).

112291717 is an equidigital number, since it uses as much as digits as its factorization.

112291717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 31.

The square root of 112291717 is about 10596.7786142771. The cubic root of 112291717 is about 482.4465897013.

The spelling of 112291717 in words is "one hundred twelve million, two hundred ninety-one thousand, seven hundred seventeen".