112249279 has 4 divisors (see below), whose sum is σ = 113360760. Its totient is φ = 111137800.

The previous prime is 112249259. The next prime is 112249303. The reversal of 112249279 is 972942211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972942211 = 5867 ⋅165833.

It is a cyclic number.

It is not a de Polignac number, because 112249279 - 2⁹ = 112248767 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 (112249259) 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, 555589 + ... + 555790.

It is an arithmetic number, because the mean of its divisors is an integer number (28340190).

Almost surely, 2^112249279 is an apocalyptic number.

112249279 is a deficient number, since it is larger than the sum of its proper divisors (1111481).

112249279 is a wasteful number, since it uses less digits than its factorization.

112249279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111480.

The product of its digits is 18144, while the sum is 37.

The square root of 112249279 is about 10594.7760240602. The cubic root of 112249279 is about 482.3858056153.

It can be divided in two parts, 11224 and 9279, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 112249279 in words is "one hundred twelve million, two hundred forty-nine thousand, two hundred seventy-nine".