111347 has 2 divisors, whose sum is σ = 111348. Its totient is φ = 111346.

The previous prime is 111341. The next prime is 111373. The reversal of 111347 is 743111.

It is a weak prime.

It is an emirp because it is prime and its reverse (743111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111347 - 2⁸ = 111091 is a prime.

It is a Chen prime.

It is equal to p₁₀₅₆₅ and since 111347 and 10565 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (111341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55673 + 55674.

It is an arithmetic number, because the mean of its divisors is an integer number (55674).

2¹¹¹³⁴⁷ is an apocalyptic number.

111347 is a deficient number, since it is larger than the sum of its proper divisors (1).

111347 is an equidigital number, since it uses as much as digits as its factorization.

111347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 17.

The square root of 111347 is about 333.6869790687. The cubic root of 111347 is about 48.1089826946.

Adding to 111347 its reverse (743111), we get a palindrome (854458).

The spelling of 111347 in words is "one hundred eleven thousand, three hundred forty-seven", and thus it is an iban number.