112121404 has 12 divisors (see below), whose sum is σ = 196343784. Its totient is φ = 56023184.

The previous prime is 112121381. The next prime is 112121407. The reversal of 112121404 is 404121211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121407) 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, 2014 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (16361982).

Almost surely, 2^112121404 is an apocalyptic number.

It is an amenable number.

112121404 is a deficient number, since it is larger than the sum of its proper divisors (84222380).

112121404 is a wasteful number, since it uses less digits than its factorization.

112121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764 (or 18762 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 112121404 is about 10588.7394906098. The cubic root of 112121404 is about 482.2025571518.

Adding to 112121404 its reverse (404121211), we get a palindrome (516242615).

The spelling of 112121404 in words is "one hundred twelve million, one hundred twenty-one thousand, four hundred four".