124540543 has 2 divisors, whose sum is σ = 124540544. Its totient is φ = 124540542.

The previous prime is 124540541. The next prime is 124540567. The reversal of 124540543 is 345045421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124540543 - 2¹ = 124540541 is a prime.

Together with 124540541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124540541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62270271 + 62270272.

It is an arithmetic number, because the mean of its divisors is an integer number (62270272).

Almost surely, 2^124540543 is an apocalyptic number.

124540543 is a deficient number, since it is larger than the sum of its proper divisors (1).

124540543 is an equidigital number, since it uses as much as digits as its factorization.

124540543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 124540543 is about 11159.7734295997. The cubic root of 124540543 is about 499.3866385498.

Adding to 124540543 its reverse (345045421), we get a palindrome (469585964).

The spelling of 124540543 in words is "one hundred twenty-four million, five hundred forty thousand, five hundred forty-three".