111426137 has 2 divisors, whose sum is σ = 111426138. Its totient is φ = 111426136.

The previous prime is 111426097. The next prime is 111426157. The reversal of 111426137 is 731624111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110901961 + 524176 = 10531^2 + 724^2 .

It is an emirp because it is prime and its reverse (731624111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111426137 - 2²² = 107231833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111426157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55713068 + 55713069.

It is an arithmetic number, because the mean of its divisors is an integer number (55713069).

Almost surely, 2^111426137 is an apocalyptic number.

It is an amenable number.

111426137 is a deficient number, since it is larger than the sum of its proper divisors (1).

111426137 is an equidigital number, since it uses as much as digits as its factorization.

111426137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 111426137 is about 10555.8579471306. The cubic root of 111426137 is about 481.2037740049.

The spelling of 111426137 in words is "one hundred eleven million, four hundred twenty-six thousand, one hundred thirty-seven".