112279747 has 4 divisors (see below), whose sum is σ = 118884456. Its totient is φ = 105675040.

The previous prime is 112279729. The next prime is 112279753. The reversal of 112279747 is 747972211.

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 112279747 - 2¹¹ = 112277699 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112279547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302329 + ... + 3302362.

It is an arithmetic number, because the mean of its divisors is an integer number (29721114).

Almost surely, 2^112279747 is an apocalyptic number.

112279747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

112279747 is a deficient number, since it is larger than the sum of its proper divisors (6604709).

112279747 is an equidigital number, since it uses as much as digits as its factorization.

112279747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604708.

The product of its digits is 49392, while the sum is 40.

The square root of 112279747 is about 10596.2138049400. The cubic root of 112279747 is about 482.4294465820.

The spelling of 112279747 in words is "one hundred twelve million, two hundred seventy-nine thousand, seven hundred forty-seven".