1112543 has 2 divisors, whose sum is σ = 1112544. Its totient is φ = 1112542.

The previous prime is 1112519. The next prime is 1112549. The reversal of 1112543 is 3452111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112543 - 2¹² = 1108447 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556271 + 556272.

It is an arithmetic number, because the mean of its divisors is an integer number (556272).

2^1112543 is an apocalyptic number.

1112543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112543 is an equidigital number, since it uses as much as digits as its factorization.

1112543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 1112543 is about 1054.7715392444. The cubic root of 1112543 is about 103.6188898835.

Adding to 1112543 its reverse (3452111), we get a palindrome (4564654).

The spelling of 1112543 in words is "one million, one hundred twelve thousand, five hundred forty-three".