111344239 has 2 divisors, whose sum is σ = 111344240. Its totient is φ = 111344238.

The previous prime is 111344201. The next prime is 111344249. The reversal of 111344239 is 932443111.

It is a strong prime.

It is an emirp because it is prime and its reverse (932443111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111344239 - 2¹¹ = 111342191 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 (111344249) 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, 55672119 + 55672120.

It is an arithmetic number, because the mean of its divisors is an integer number (55672120).

Almost surely, 2^111344239 is an apocalyptic number.

111344239 is a deficient number, since it is larger than the sum of its proper divisors (1).

111344239 is an equidigital number, since it uses as much as digits as its factorization.

111344239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 111344239 is about 10551.9779662393. The cubic root of 111344239 is about 481.0858504876.

The spelling of 111344239 in words is "one hundred eleven million, three hundred forty-four thousand, two hundred thirty-nine".