112042121 has 12 divisors (see below), whose sum is σ = 121056240. Its totient is φ = 103648320.

The previous prime is 112042111. The next prime is 112042129. The reversal of 112042121 is 121240211.

It is a happy number.

It is not a de Polignac number, because 112042121 - 2⁶ = 112042057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112042096 and 112042105.

It is not an unprimeable number, because it can be changed into a prime (112042129) 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, 13766 + ... + 20336.

It is an arithmetic number, because the mean of its divisors is an integer number (10088020).

Almost surely, 2^112042121 is an apocalyptic number.

It is an amenable number.

112042121 is a deficient number, since it is larger than the sum of its proper divisors (9014119).

112042121 is an equidigital number, since it uses as much as digits as its factorization.

112042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664 (or 6647 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 112042121 is about 10584.9950873867. The cubic root of 112042121 is about 482.0888724057.

Adding to 112042121 its reverse (121240211), we get a palindrome (233282332).

The spelling of 112042121 in words is "one hundred twelve million, forty-two thousand, one hundred twenty-one".