112005517 has 4 divisors (see below), whose sum is σ = 120621340. Its totient is φ = 103389696.

The previous prime is 112005499. The next prime is 112005529. The reversal of 112005517 is 715500211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 80802121 = 5586^2 + 8989^2 .

It is a cyclic number.

It is not a de Polignac number, because 112005517 - 2⁷ = 112005389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112005547) 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 in 3 ways as a sum of consecutive naturals, for example, 4307892 + ... + 4307917.

It is an arithmetic number, because the mean of its divisors is an integer number (30155335).

Almost surely, 2^112005517 is an apocalyptic number.

It is an amenable number.

112005517 is a deficient number, since it is larger than the sum of its proper divisors (8615823).

112005517 is an equidigital number, since it uses as much as digits as its factorization.

112005517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615822.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 112005517 is about 10583.2658947983. The cubic root of 112005517 is about 482.0363674401.

Adding to 112005517 its reverse (715500211), we get a palindrome (827505728).

The spelling of 112005517 in words is "one hundred twelve million, five thousand, five hundred seventeen".