124542563 has 2 divisors, whose sum is σ = 124542564. Its totient is φ = 124542562.

The previous prime is 124542557. The next prime is 124542581. The reversal of 124542563 is 365245421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124542563 - 2⁴ = 124542547 is a prime.

It is not a weakly prime, because it can be changed into another prime (124542533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62271281 + 62271282.

It is an arithmetic number, because the mean of its divisors is an integer number (62271282).

Almost surely, 2^124542563 is an apocalyptic number.

124542563 is a deficient number, since it is larger than the sum of its proper divisors (1).

124542563 is an equidigital number, since it uses as much as digits as its factorization.

124542563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 124542563 is about 11159.8639328623. The cubic root of 124542563 is about 499.3893384887.

Adding to 124542563 its reverse (365245421), we get a palindrome (489787984).

The spelling of 124542563 in words is "one hundred twenty-four million, five hundred forty-two thousand, five hundred sixty-three".