112305717 has 8 divisors (see below), whose sum is σ = 166378880. Its totient is φ = 74870460.

The previous prime is 112305709. The next prime is 112305749. The reversal of 112305717 is 717503211.

It is a happy number.

It is not a de Polignac number, because 112305717 - 2³ = 112305709 is a prime.

It is a super-2 number, since 2×112305717² = 25225148141768178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4159471 = 112305717 / (1 + 1 + 2 + 3 + 0 + 5 + 7 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112305707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079709 + ... + 2079762.

It is an arithmetic number, because the mean of its divisors is an integer number (20797360).

Almost surely, 2^112305717 is an apocalyptic number.

It is an amenable number.

112305717 is a deficient number, since it is larger than the sum of its proper divisors (54073163).

112305717 is an equidigital number, since it uses as much as digits as its factorization.

112305717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159480 (or 4159474 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 112305717 is about 10597.4391717999. The cubic root of 112305717 is about 482.4666385875.

Adding to 112305717 its reverse (717503211), we get a palindrome (829808928).

The spelling of 112305717 in words is "one hundred twelve million, three hundred five thousand, seven hundred seventeen".