112042289 has 2 divisors, whose sum is σ = 112042290. Its totient is φ = 112042288.

The previous prime is 112042243. The next prime is 112042309. The reversal of 112042289 is 982240211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 64 = 10585^2 + 8^2 .

It is an emirp because it is prime and its reverse (982240211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112042289 - 2⁸ = 112042033 is a prime.

It is not a weakly prime, because it can be changed into another prime (112041289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56021144 + 56021145.

It is an arithmetic number, because the mean of its divisors is an integer number (56021145).

Almost surely, 2^112042289 is an apocalyptic number.

It is an amenable number.

112042289 is a deficient number, since it is larger than the sum of its proper divisors (1).

112042289 is an equidigital number, since it uses as much as digits as its factorization.

112042289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 112042289 is about 10585.0030231455. The cubic root of 112042289 is about 482.0891133594.

The spelling of 112042289 in words is "one hundred twelve million, forty-two thousand, two hundred eighty-nine".