124242553543 has 2 divisors, whose sum is σ = 124242553544. Its totient is φ = 124242553542.

The previous prime is 124242553537. The next prime is 124242553559. The reversal of 124242553543 is 345355242421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124242553543 - 2⁵ = 124242553511 is a prime.

It is a super-2 number, since 2×124242553543² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124242553496 and 124242553505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124242550543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62121276771 + 62121276772.

It is an arithmetic number, because the mean of its divisors is an integer number (62121276772).

Almost surely, 2^124242553543 is an apocalyptic number.

124242553543 is a deficient number, since it is larger than the sum of its proper divisors (1).

124242553543 is an equidigital number, since it uses as much as digits as its factorization.

124242553543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 40.

Adding to 124242553543 its reverse (345355242421), we get a palindrome (469597795964).

The spelling of 124242553543 in words is "one hundred twenty-four billion, two hundred forty-two million, five hundred fifty-three thousand, five hundred forty-three".