112247439 has 4 divisors (see below), whose sum is σ = 149663256. Its totient is φ = 74831624.

The previous prime is 112247431. The next prime is 112247467. The reversal of 112247439 is 934742211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112247439 - 2³ = 112247431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112247431) 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 in 3 ways as a sum of consecutive naturals, for example, 18707904 + ... + 18707909.

It is an arithmetic number, because the mean of its divisors is an integer number (37415814).

Almost surely, 2^112247439 is an apocalyptic number.

112247439 is a deficient number, since it is larger than the sum of its proper divisors (37415817).

112247439 is an equidigital number, since it uses as much as digits as its factorization.

112247439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37415816.

The product of its digits is 12096, while the sum is 33.

The square root of 112247439 is about 10594.6891884566. The cubic root of 112247439 is about 482.3831698308.

The spelling of 112247439 in words is "one hundred twelve million, two hundred forty-seven thousand, four hundred thirty-nine".