1124543 has 4 divisors (see below), whose sum is σ = 1285200. Its totient is φ = 963888.

The previous prime is 1124531. The next prime is 1124551. The reversal of 1124543 is 3454211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3454211 = 83 ⋅41617.

It is a cyclic number.

It is not a de Polignac number, because 1124543 - 2¹⁶ = 1059007 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124593) 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 in 3 ways as a sum of consecutive naturals, for example, 80318 + ... + 80331.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

2^1124543 is an apocalyptic number.

1124543 is a deficient number, since it is larger than the sum of its proper divisors (160657).

1124543 is an equidigital number, since it uses as much as digits as its factorization.

1124543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160656.

The product of its digits is 480, while the sum is 20.

The square root of 1124543 is about 1060.4447180311. Note that the first 3 decimals coincide. The cubic root of 1124543 is about 103.9901063073.

Adding to 1124543 its reverse (3454211), we get a palindrome (4578754).

The spelling of 1124543 in words is "one million, one hundred twenty-four thousand, five hundred forty-three".