112321404 has 84 divisors (see below), whose sum is σ = 317485896. Its totient is φ = 34548768.

The previous prime is 112321403. The next prime is 112321453. The reversal of 112321404 is 404123211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112321403) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36427 + ... + 39389.

It is an arithmetic number, because the mean of its divisors is an integer number (3779594).

Almost surely, 2^112321404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112321404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158742948).

112321404 is an abundant number, since it is smaller than the sum of its proper divisors (205164492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112321404 is a wasteful number, since it uses less digits than its factorization.

112321404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 112321404 is about 10598.1792775929. The cubic root of 112321404 is about 482.4891013852.

Adding to 112321404 its reverse (404123211), we get a palindrome (516444615).

The spelling of 112321404 in words is "one hundred twelve million, three hundred twenty-one thousand, four hundred four".