112490813 has 4 divisors (see below), whose sum is σ = 113846208. Its totient is φ = 111135420.

The previous prime is 112490809. The next prime is 112490831. The reversal of 112490813 is 318094211.

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: 318094211 = 79 ⋅4026509.

It is a cyclic number.

It is not a de Polignac number, because 112490813 - 2² = 112490809 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 (112495813) 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, 677573 + ... + 677738.

It is an arithmetic number, because the mean of its divisors is an integer number (28461552).

Almost surely, 2^112490813 is an apocalyptic number.

It is an amenable number.

112490813 is a deficient number, since it is larger than the sum of its proper divisors (1355395).

112490813 is an equidigital number, since it uses as much as digits as its factorization.

112490813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355394.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 112490813 is about 10606.1686296230. The cubic root of 112490813 is about 482.7315512770.

The spelling of 112490813 in words is "one hundred twelve million, four hundred ninety thousand, eight hundred thirteen".