112320121 has 2 divisors, whose sum is σ = 112320122. Its totient is φ = 112320120.

The previous prime is 112320119. The next prime is 112320127. The reversal of 112320121 is 121023211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65205625 + 47114496 = 8075^2 + 6864^2 .

It is a cyclic number.

It is not a de Polignac number, because 112320121 - 2¹ = 112320119 is a prime.

Together with 112320119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112320127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160060 + 56160061.

It is an arithmetic number, because the mean of its divisors is an integer number (56160061).

Almost surely, 2^112320121 is an apocalyptic number.

It is an amenable number.

112320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112320121 is an equidigital number, since it uses as much as digits as its factorization.

112320121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112320121 is about 10598.1187481553. The cubic root of 112320121 is about 482.4872642884.

Adding to 112320121 its reverse (121023211), we get a palindrome (233343332).

The spelling of 112320121 in words is "one hundred twelve million, three hundred twenty thousand, one hundred twenty-one".