2124543 has 8 divisors (see below), whose sum is σ = 2843568. Its totient is φ = 1410944.

The previous prime is 2124517. The next prime is 2124553. The reversal of 2124543 is 3454212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2124543 - 2¹³ = 2116351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124553) 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 in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

2^2124543 is an apocalyptic number.

2124543 is a deficient number, since it is larger than the sum of its proper divisors (719025).

2124543 is a wasteful number, since it uses less digits than its factorization.

2124543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713.

The product of its digits is 960, while the sum is 21.

The square root of 2124543 is about 1457.5812155760. The cubic root of 2124543 is about 128.5548625923.

Adding to 2124543 its reverse (3454212), we get a palindrome (5578755).

The spelling of 2124543 in words is "two million, one hundred twenty-four thousand, five hundred forty-three".