112543 has 2 divisors, whose sum is σ = 112544. Its totient is φ = 112542.

The previous prime is 112507. The next prime is 112559. The reversal of 112543 is 345211.

It is an a-pointer prime, because the next prime (112559) can be obtained adding 112543 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112543 - 2⁹ = 112031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112573) 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, 56271 + 56272.

It is an arithmetic number, because the mean of its divisors is an integer number (56272).

2¹¹²⁵⁴³ is an apocalyptic number.

112543 is a deficient number, since it is larger than the sum of its proper divisors (1).

112543 is an equidigital number, since it uses as much as digits as its factorization.

112543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 16.

The square root of 112543 is about 335.4742911163. The cubic root of 112543 is about 48.2806189718.

Adding to 112543 its reverse (345211), we get a palindrome (457754).

It can be divided in two parts, 1 and 12543, that added together give a square (12544 = 112²).

The spelling of 112543 in words is "one hundred twelve thousand, five hundred forty-three".