124254251543 has 2 divisors, whose sum is σ = 124254251544. Its totient is φ = 124254251542.

The previous prime is 124254251501. The next prime is 124254251587. The reversal of 124254251543 is 345152452421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124254251543 is a prime.

It is a super-2 number, since 2×124254251543² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124254251497 and 124254251506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124254251593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62127125771 + 62127125772.

It is an arithmetic number, because the mean of its divisors is an integer number (62127125772).

Almost surely, 2^124254251543 is an apocalyptic number.

124254251543 is a deficient number, since it is larger than the sum of its proper divisors (1).

124254251543 is an equidigital number, since it uses as much as digits as its factorization.

124254251543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 38.

The spelling of 124254251543 in words is "one hundred twenty-four billion, two hundred fifty-four million, two hundred fifty-one thousand, five hundred forty-three".