112020451 has 4 divisors (see below), whose sum is σ = 112043304. Its totient is φ = 111997600.

The previous prime is 112020443. The next prime is 112020457. The reversal of 112020451 is 154020211.

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

It is a cyclic number.

It is not a de Polignac number, because 112020451 - 2³ = 112020443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020457) 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, 745 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (28010826).

Almost surely, 2^112020451 is an apocalyptic number.

112020451 is a deficient number, since it is larger than the sum of its proper divisors (22853).

112020451 is an equidigital number, since it uses as much as digits as its factorization.

112020451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22852.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 112020451 is about 10583.9714190846. The cubic root of 112020451 is about 482.0577902277.

Adding to 112020451 its reverse (154020211), we get a palindrome (266040662).

The spelling of 112020451 in words is "one hundred twelve million, twenty thousand, four hundred fifty-one".