112420565 has 8 divisors (see below), whose sum is σ = 138195288. Its totient is φ = 87742720.

The previous prime is 112420543. The next prime is 112420577. The reversal of 112420565 is 565024211.

It can be written as a sum of positive squares in 4 ways, for example, as 9012004 + 103408561 = 3002^2 + 10169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112420565 - 2¹⁴ = 112404181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273992 + ... + 274401.

It is an arithmetic number, because the mean of its divisors is an integer number (17274411).

Almost surely, 2^112420565 is an apocalyptic number.

It is an amenable number.

112420565 is a deficient number, since it is larger than the sum of its proper divisors (25774723).

112420565 is an equidigital number, since it uses as much as digits as its factorization.

112420565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548439.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 112420565 is about 10602.8564547484. The cubic root of 112420565 is about 482.6310453292.

Adding to 112420565 its reverse (565024211), we get a palindrome (677444776).

The spelling of 112420565 in words is "one hundred twelve million, four hundred twenty thousand, five hundred sixty-five".