126722786143 has 2 divisors, whose sum is σ = 126722786144. Its totient is φ = 126722786142.

The previous prime is 126722786087. The next prime is 126722786189. The reversal of 126722786143 is 341687227621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126722786143 - 2¹⁷ = 126722655071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126722786543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63361393071 + 63361393072.

It is an arithmetic number, because the mean of its divisors is an integer number (63361393072).

Almost surely, 2^126722786143 is an apocalyptic number.

126722786143 is a deficient number, since it is larger than the sum of its proper divisors (1).

126722786143 is an equidigital number, since it uses as much as digits as its factorization.

126722786143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The spelling of 126722786143 in words is "one hundred twenty-six billion, seven hundred twenty-two million, seven hundred eighty-six thousand, one hundred forty-three".