112782751 has 4 divisors (see below), whose sum is σ = 115182432. Its totient is φ = 110383072.

The previous prime is 112782749. The next prime is 112782763. The reversal of 112782751 is 157287211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157287211 = 31 ⋅5073781.

It is not a de Polignac number, because 112782751 - 2¹ = 112782749 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 (112782721) 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, 1199770 + ... + 1199863.

It is an arithmetic number, because the mean of its divisors is an integer number (28795608).

Almost surely, 2^112782751 is an apocalyptic number.

112782751 is a deficient number, since it is larger than the sum of its proper divisors (2399681).

112782751 is an equidigital number, since it uses as much as digits as its factorization.

112782751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399680.

The product of its digits is 7840, while the sum is 34.

The square root of 112782751 is about 10619.9223631814. The cubic root of 112782751 is about 483.1487881538.

The spelling of 112782751 in words is "one hundred twelve million, seven hundred eighty-two thousand, seven hundred fifty-one".