112281439 has 2 divisors, whose sum is σ = 112281440. Its totient is φ = 112281438.

The previous prime is 112281427. The next prime is 112281461. The reversal of 112281439 is 934182211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112281439 - 2¹³ = 112273247 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 112281439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112281479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56140719 + 56140720.

It is an arithmetic number, because the mean of its divisors is an integer number (56140720).

Almost surely, 2^112281439 is an apocalyptic number.

112281439 is a deficient number, since it is larger than the sum of its proper divisors (1).

112281439 is an equidigital number, since it uses as much as digits as its factorization.

112281439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 112281439 is about 10596.2936444778. The cubic root of 112281439 is about 482.4318698939.

The spelling of 112281439 in words is "one hundred twelve million, two hundred eighty-one thousand, four hundred thirty-nine".