113126291 has 2 divisors, whose sum is σ = 113126292. Its totient is φ = 113126290.

The previous prime is 113126219. The next prime is 113126297. The reversal of 113126291 is 192621311.

Together with previous prime (113126219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113126291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113126291.

It is not a weakly prime, because it can be changed into another prime (113126297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56563145 + 56563146.

It is an arithmetic number, because the mean of its divisors is an integer number (56563146).

Almost surely, 2^113126291 is an apocalyptic number.

113126291 is a deficient number, since it is larger than the sum of its proper divisors (1).

113126291 is an equidigital number, since it uses as much as digits as its factorization.

113126291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 113126291 is about 10636.0843828920. The cubic root of 113126291 is about 483.6388533160.

The spelling of 113126291 in words is "one hundred thirteen million, one hundred twenty-six thousand, two hundred ninety-one".