126448765787 has 2 divisors, whose sum is σ = 126448765788. Its totient is φ = 126448765786.

The previous prime is 126448765783. The next prime is 126448765811. The reversal of 126448765787 is 787567844621.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (787567844621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126448765787 - 2² = 126448765783 is a prime.

It is not a weakly prime, because it can be changed into another prime (126448765783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63224382893 + 63224382894.

It is an arithmetic number, because the mean of its divisors is an integer number (63224382894).

Almost surely, 2^126448765787 is an apocalyptic number.

126448765787 is a deficient number, since it is larger than the sum of its proper divisors (1).

126448765787 is an equidigital number, since it uses as much as digits as its factorization.

126448765787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126443520, while the sum is 65.

The spelling of 126448765787 in words is "one hundred twenty-six billion, four hundred forty-eight million, seven hundred sixty-five thousand, seven hundred eighty-seven".