112839559 has 4 divisors (see below), whose sum is σ = 128959504. Its totient is φ = 96719616.

The previous prime is 112839547. The next prime is 112839583. The reversal of 112839559 is 955938211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955938211 = 491 ⋅1946921.

It is not a de Polignac number, because 112839559 - 2¹¹ = 112837511 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 (112839509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8059962 + ... + 8059975.

It is an arithmetic number, because the mean of its divisors is an integer number (32239876).

Almost surely, 2^112839559 is an apocalyptic number.

112839559 is a deficient number, since it is larger than the sum of its proper divisors (16119945).

112839559 is an equidigital number, since it uses as much as digits as its factorization.

112839559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16119944.

The product of its digits is 97200, while the sum is 43.

The square root of 112839559 is about 10622.5966222953. The cubic root of 112839559 is about 483.2298942602.

The spelling of 112839559 in words is "one hundred twelve million, eight hundred thirty-nine thousand, five hundred fifty-nine".