112278143 has 2 divisors, whose sum is σ = 112278144. Its totient is φ = 112278142.

The previous prime is 112278113. The next prime is 112278181. The reversal of 112278143 is 341872211.

It is a weak prime.

It is an emirp because it is prime and its reverse (341872211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112278143 - 2¹⁴ = 112261759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112278113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56139071 + 56139072.

It is an arithmetic number, because the mean of its divisors is an integer number (56139072).

Almost surely, 2^112278143 is an apocalyptic number.

112278143 is a deficient number, since it is larger than the sum of its proper divisors (1).

112278143 is an equidigital number, since it uses as much as digits as its factorization.

112278143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 112278143 is about 10596.1381172576. The cubic root of 112278143 is about 482.4271492828.

The spelling of 112278143 in words is "one hundred twelve million, two hundred seventy-eight thousand, one hundred forty-three".