112412161 has 2 divisors, whose sum is σ = 112412162. Its totient is φ = 112412160.

The previous prime is 112412137. The next prime is 112412173. The reversal of 112412161 is 161214211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106502400 + 5909761 = 10320^2 + 2431^2 .

It is an emirp because it is prime and its reverse (161214211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112412161 - 2¹⁹ = 111887873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112412561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56206080 + 56206081.

It is an arithmetic number, because the mean of its divisors is an integer number (56206081).

Almost surely, 2^112412161 is an apocalyptic number.

It is an amenable number.

112412161 is a deficient number, since it is larger than the sum of its proper divisors (1).

112412161 is an equidigital number, since it uses as much as digits as its factorization.

112412161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

The square root of 112412161 is about 10602.4601390432. The cubic root of 112412161 is about 482.6190186673.

Adding to 112412161 its reverse (161214211), we get a palindrome (273626372).

The spelling of 112412161 in words is "one hundred twelve million, four hundred twelve thousand, one hundred sixty-one".