112126121 has 2 divisors, whose sum is σ = 112126122. Its totient is φ = 112126120.

The previous prime is 112126117. The next prime is 112126139. The reversal of 112126121 is 121621211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 23088025 = 9436^2 + 4805^2 .

It is a cyclic number.

It is not a de Polignac number, because 112126121 - 2² = 112126117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112126121.

It is not a weakly prime, because it can be changed into another prime (112126181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56063060 + 56063061.

It is an arithmetic number, because the mean of its divisors is an integer number (56063061).

Almost surely, 2^112126121 is an apocalyptic number.

It is an amenable number.

112126121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112126121 is an equidigital number, since it uses as much as digits as its factorization.

112126121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 17.

The square root of 112126121 is about 10588.9622248830. The cubic root of 112126121 is about 482.2093192194.

Adding to 112126121 its reverse (121621211), we get a palindrome (233747332).

The spelling of 112126121 in words is "one hundred twelve million, one hundred twenty-six thousand, one hundred twenty-one".