111340387 has 2 divisors, whose sum is σ = 111340388. Its totient is φ = 111340386.

The previous prime is 111340357. The next prime is 111340393. The reversal of 111340387 is 783043111.

It is a strong prime.

It is an emirp because it is prime and its reverse (783043111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111340387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111340357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55670193 + 55670194.

It is an arithmetic number, because the mean of its divisors is an integer number (55670194).

Almost surely, 2^111340387 is an apocalyptic number.

111340387 is a deficient number, since it is larger than the sum of its proper divisors (1).

111340387 is an equidigital number, since it uses as much as digits as its factorization.

111340387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 111340387 is about 10551.7954396396. The cubic root of 111340387 is about 481.0803026357.

Adding to 111340387 its reverse (783043111), we get a palindrome (894383498).

The spelling of 111340387 in words is "one hundred eleven million, three hundred forty thousand, three hundred eighty-seven".