112133121 has 8 divisors (see below), whose sum is σ = 152988000. Its totient is φ = 73016832.

The previous prime is 112133101. The next prime is 112133123. The reversal of 112133121 is 121331211.

It is a happy number.

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

It is not a de Polignac number, because 112133121 - 2⁵ = 112133089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112133121.

It is not an unprimeable number, because it can be changed into a prime (112133123) 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, 434496 + ... + 434753.

It is an arithmetic number, because the mean of its divisors is an integer number (19123500).

Almost surely, 2^112133121 is an apocalyptic number.

It is an amenable number.

112133121 is a deficient number, since it is larger than the sum of its proper divisors (40854879).

112133121 is an equidigital number, since it uses as much as digits as its factorization.

112133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869295.

The product of its digits is 36, while the sum is 15.

The square root of 112133121 is about 10589.2927525874. The cubic root of 112133121 is about 482.2193537382.

Adding to 112133121 its reverse (121331211), we get a palindrome (233464332).

The spelling of 112133121 in words is "one hundred twelve million, one hundred thirty-three thousand, one hundred twenty-one".