112120513 has 4 divisors (see below), whose sum is σ = 113539840. Its totient is φ = 110701188.

The previous prime is 112120507. The next prime is 112120517. The reversal of 112120513 is 315021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315021211 = 16903 ⋅18637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709545 + ... + 709702.

It is an arithmetic number, because the mean of its divisors is an integer number (28384960).

Almost surely, 2^112120513 is an apocalyptic number.

It is an amenable number.

112120513 is a deficient number, since it is larger than the sum of its proper divisors (1419327).

112120513 is an equidigital number, since it uses as much as digits as its factorization.

112120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419326.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 112120513 is about 10588.6974175297. The cubic root of 112120513 is about 482.2012798351.

Adding to 112120513 its reverse (315021211), we get a palindrome (427141724).

The spelling of 112120513 in words is "one hundred twelve million, one hundred twenty thousand, five hundred thirteen".