112291279 has 2 divisors, whose sum is σ = 112291280. Its totient is φ = 112291278.

The previous prime is 112291271. The next prime is 112291303. The reversal of 112291279 is 972192211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112291279 - 2³ = 112291271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112291271) 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, 56145639 + 56145640.

It is an arithmetic number, because the mean of its divisors is an integer number (56145640).

Almost surely, 2^112291279 is an apocalyptic number.

112291279 is a deficient number, since it is larger than the sum of its proper divisors (1).

112291279 is an equidigital number, since it uses as much as digits as its factorization.

112291279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 112291279 is about 10596.7579475989. The cubic root of 112291279 is about 482.4459624307.

The spelling of 112291279 in words is "one hundred twelve million, two hundred ninety-one thousand, two hundred seventy-nine".