1126426402687 has 2 divisors, whose sum is σ = 1126426402688. Its totient is φ = 1126426402686.

The previous prime is 1126426402643. The next prime is 1126426402697. The reversal of 1126426402687 is 7862046246211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7862046246211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126426402687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126426402687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126426402697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563213201343 + 563213201344.

It is an arithmetic number, because the mean of its divisors is an integer number (563213201344).

Almost surely, 2^{1126426402687} is an apocalyptic number.

1126426402687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126426402687 is an equidigital number, since it uses as much as digits as its factorization.

1126426402687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 1126426402687 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-six million, four hundred two thousand, six hundred eighty-seven".