113012279 has 2 divisors, whose sum is σ = 113012280. Its totient is φ = 113012278.

The previous prime is 113012269. The next prime is 113012297. The reversal of 113012279 is 972210311.

Together with next prime (113012297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (972210311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113012279 - 2²⁰ = 111963703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113012269) 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, 56506139 + 56506140.

It is an arithmetic number, because the mean of its divisors is an integer number (56506140).

Almost surely, 2^113012279 is an apocalyptic number.

113012279 is a deficient number, since it is larger than the sum of its proper divisors (1).

113012279 is an equidigital number, since it uses as much as digits as its factorization.

113012279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 113012279 is about 10630.7233526228. The cubic root of 113012279 is about 483.4763235541.

The spelling of 113012279 in words is "one hundred thirteen million, twelve thousand, two hundred seventy-nine".