126782503843 has 2 divisors, whose sum is σ = 126782503844. Its totient is φ = 126782503842.

The previous prime is 126782503781. The next prime is 126782503847. The reversal of 126782503843 is 348305287621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126782503843 is a prime.

It is not a weakly prime, because it can be changed into another prime (126782503847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63391251921 + 63391251922.

It is an arithmetic number, because the mean of its divisors is an integer number (63391251922).

Almost surely, 2^126782503843 is an apocalyptic number.

126782503843 is a deficient number, since it is larger than the sum of its proper divisors (1).

126782503843 is an equidigital number, since it uses as much as digits as its factorization.

126782503843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 126782503843 in words is "one hundred twenty-six billion, seven hundred eighty-two million, five hundred three thousand, eight hundred forty-three".