112400451 has 12 divisors (see below), whose sum is σ = 167593920. Its totient is φ = 72516240.

The previous prime is 112400437. The next prime is 112400459. The reversal of 112400451 is 154004211.

It is not a de Polignac number, because 112400451 - 2⁹ = 112399939 is a prime.

It is a super-2 number, since 2×112400451² = 25267722770006802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112400459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201156 + ... + 201713.

It is an arithmetic number, because the mean of its divisors is an integer number (13966160).

Almost surely, 2^112400451 is an apocalyptic number.

112400451 is a deficient number, since it is larger than the sum of its proper divisors (55193469).

112400451 is a wasteful number, since it uses less digits than its factorization.

112400451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402906 (or 402903 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 112400451 is about 10601.9078943368. The cubic root of 112400451 is about 482.6022599082.

Adding to 112400451 its reverse (154004211), we get a palindrome (266404662).

The spelling of 112400451 in words is "one hundred twelve million, four hundred thousand, four hundred fifty-one".