112400121 has 8 divisors (see below), whose sum is σ = 152694720. Its totient is φ = 73519472.

The previous prime is 112400111. The next prime is 112400129. The reversal of 112400121 is 121004211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112400121 - 2⁷ = 112399993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112400097 and 112400106.

It is not an unprimeable number, because it can be changed into a prime (112400129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353301 + ... + 353618.

It is an arithmetic number, because the mean of its divisors is an integer number (19086840).

Almost surely, 2^112400121 is an apocalyptic number.

It is an amenable number.

112400121 is a deficient number, since it is larger than the sum of its proper divisors (40294599).

112400121 is an equidigital number, since it uses as much as digits as its factorization.

112400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706975.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 112400121 is about 10601.8923310888. The cubic root of 112400121 is about 482.6017876121.

Adding to 112400121 its reverse (121004211), we get a palindrome (233404332).

The spelling of 112400121 in words is "one hundred twelve million, four hundred thousand, one hundred twenty-one".