111043 has 2 divisors, whose sum is σ = 111044. Its totient is φ = 111042.

The previous prime is 111031. The next prime is 111049. The reversal of 111043 is 340111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (340111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111043 is a prime.

It is not a weakly prime, because it can be changed into another prime (111049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521 + 55522.

It is an arithmetic number, because the mean of its divisors is an integer number (55522).

2¹¹¹⁰⁴³ is an apocalyptic number.

111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

111043 is an equidigital number, since it uses as much as digits as its factorization.

111043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 111043 is about 333.2311510048. The cubic root of 111043 is about 48.0651603469.

Adding to 111043 its reverse (340111), we get a palindrome (451154).

The spelling of 111043 in words is "one hundred eleven thousand, forty-three", and thus it is an iban number.