112442789 has 2 divisors, whose sum is σ = 112442790. Its totient is φ = 112442788.

The previous prime is 112442783. The next prime is 112442809. The reversal of 112442789 is 987244211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84033889 + 28408900 = 9167^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 112442789 - 2¹² = 112438693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112442783) 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, 56221394 + 56221395.

It is an arithmetic number, because the mean of its divisors is an integer number (56221395).

Almost surely, 2^112442789 is an apocalyptic number.

It is an amenable number.

112442789 is a deficient number, since it is larger than the sum of its proper divisors (1).

112442789 is an equidigital number, since it uses as much as digits as its factorization.

112442789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 112442789 is about 10603.9044224286. The cubic root of 112442789 is about 482.6628464077.

The spelling of 112442789 in words is "one hundred twelve million, four hundred forty-two thousand, seven hundred eighty-nine".