11124543 has 16 divisors (see below), whose sum is σ = 15249920. Its totient is φ = 7210944.

The previous prime is 11124539. The next prime is 11124569. The reversal of 11124543 is 34542111.

It is not a de Polignac number, because 11124543 - 2² = 11124539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16980 + ... + 17622.

It is an arithmetic number, because the mean of its divisors is an integer number (953120).

Almost surely, 2^11124543 is an apocalyptic number.

11124543 is a deficient number, since it is larger than the sum of its proper divisors (4125377).

11124543 is an equidigital number, since it uses as much as digits as its factorization.

11124543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 480, while the sum is 21.

The square root of 11124543 is about 3335.3475081316. The cubic root of 11124543 is about 223.2341979756.

Adding to 11124543 its reverse (34542111), we get a palindrome (45666654).

The spelling of 11124543 in words is "eleven million, one hundred twenty-four thousand, five hundred forty-three".