126663342287 has 2 divisors, whose sum is σ = 126663342288. Its totient is φ = 126663342286.

The previous prime is 126663342283. The next prime is 126663342347. The reversal of 126663342287 is 782243366621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126663342287 - 2² = 126663342283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126663342283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63331671143 + 63331671144.

It is an arithmetic number, because the mean of its divisors is an integer number (63331671144).

Almost surely, 2^126663342287 is an apocalyptic number.

126663342287 is a deficient number, since it is larger than the sum of its proper divisors (1).

126663342287 is an equidigital number, since it uses as much as digits as its factorization.

126663342287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 50.

The spelling of 126663342287 in words is "one hundred twenty-six billion, six hundred sixty-three million, three hundred forty-two thousand, two hundred eighty-seven".