112776281 has 4 divisors (see below), whose sum is σ = 115526964. Its totient is φ = 110025600.

The previous prime is 112776263. The next prime is 112776289. The reversal of 112776281 is 182677211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16736281 + 96040000 = 4091^2 + 9800^2 .

It is a cyclic number.

It is not a de Polignac number, because 112776281 - 2²⁶ = 45667417 is a prime.

It is a super-2 number, since 2×112776281² = 25436979112381922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112776289) 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, 1375280 + ... + 1375361.

It is an arithmetic number, because the mean of its divisors is an integer number (28881741).

Almost surely, 2^112776281 is an apocalyptic number.

It is an amenable number.

112776281 is a deficient number, since it is larger than the sum of its proper divisors (2750683).

112776281 is an equidigital number, since it uses as much as digits as its factorization.

112776281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750682.

The product of its digits is 9408, while the sum is 35.

The square root of 112776281 is about 10619.6177426497. The cubic root of 112776281 is about 483.1395490565.

The spelling of 112776281 in words is "one hundred twelve million, seven hundred seventy-six thousand, two hundred eighty-one".