112565439 has 12 divisors (see below), whose sum is σ = 185822416. Its totient is φ = 64323072.

The previous prime is 112565417. The next prime is 112565461. The reversal of 112565439 is 934565211.

It is an interprime number because it is at equal distance from previous prime (112565417) and next prime (112565461).

It is not a de Polignac number, because 112565439 - 2⁸ = 112565183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112565239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893314 + ... + 893439.

Almost surely, 2^112565439 is an apocalyptic number.

112565439 is a deficient number, since it is larger than the sum of its proper divisors (73256977).

112565439 is a wasteful number, since it uses less digits than its factorization.

112565439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786766 (or 1786763 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 112565439 is about 10609.6860933771. The cubic root of 112565439 is about 482.8382751376.

It can be divided in two parts, 1125 and 65439, that added together give a square (66564 = 258²).

The spelling of 112565439 in words is "one hundred twelve million, five hundred sixty-five thousand, four hundred thirty-nine".