4122540543 has 24 divisors (see below), whose sum is σ = 6081943168. Its totient is φ = 2481930000.

The previous prime is 4122540497. The next prime is 4122540547. The reversal of 4122540543 is 3450452214.

It is not a de Polignac number, because 4122540543 - 2¹² = 4122536447 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4122540543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122540547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17208 + ... + 92418.

Almost surely, 2^4122540543 is an apocalyptic number.

4122540543 is a deficient number, since it is larger than the sum of its proper divisors (1959402625).

4122540543 is a wasteful number, since it uses less digits than its factorization.

4122540543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75387 (or 75376 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4122540543 is about 64207.0131917067. The cubic root of 4122540543 is about 1603.4483625280.

Adding to 4122540543 its reverse (3450452214), we get a palindrome (7572992757).

The spelling of 4122540543 in words is "four billion, one hundred twenty-two million, five hundred forty thousand, five hundred forty-three".