112245139 has 2 divisors, whose sum is σ = 112245140. Its totient is φ = 112245138.

The previous prime is 112245137. The next prime is 112245143. The reversal of 112245139 is 931542211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112245139 - 2¹ = 112245137 is a prime.

Together with 112245137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112245137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56122569 + 56122570.

It is an arithmetic number, because the mean of its divisors is an integer number (56122570).

Almost surely, 2^112245139 is an apocalyptic number.

112245139 is a deficient number, since it is larger than the sum of its proper divisors (1).

112245139 is an equidigital number, since it uses as much as digits as its factorization.

112245139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 112245139 is about 10594.5806429514. The cubic root of 112245139 is about 482.3798750596.

The spelling of 112245139 in words is "one hundred twelve million, two hundred forty-five thousand, one hundred thirty-nine".