124372381543 has 2 divisors, whose sum is σ = 124372381544. Its totient is φ = 124372381542.

The previous prime is 124372381537. The next prime is 124372381589. The reversal of 124372381543 is 345183273421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124372381543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124372381543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124372331543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62186190771 + 62186190772.

It is an arithmetic number, because the mean of its divisors is an integer number (62186190772).

Almost surely, 2^124372381543 is an apocalyptic number.

124372381543 is a deficient number, since it is larger than the sum of its proper divisors (1).

124372381543 is an equidigital number, since it uses as much as digits as its factorization.

124372381543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 124372381543 in words is "one hundred twenty-four billion, three hundred seventy-two million, three hundred eighty-one thousand, five hundred forty-three".