1020127364887 has 2 divisors, whose sum is σ = 1020127364888. Its totient is φ = 1020127364886.

The previous prime is 1020127364831. The next prime is 1020127364891. The reversal of 1020127364887 is 7884637210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020127364887 - 2⁷ = 1020127364759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020127364887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020127364687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510063682443 + 510063682444.

It is an arithmetic number, because the mean of its divisors is an integer number (510063682444).

Almost surely, 2^{1020127364887} is an apocalyptic number.

1020127364887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020127364887 is an equidigital number, since it uses as much as digits as its factorization.

1020127364887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 1020127364887 in words is "one trillion, twenty billion, one hundred twenty-seven million, three hundred sixty-four thousand, eight hundred eighty-seven".