1021425877079 has 2 divisors, whose sum is σ = 1021425877080. Its totient is φ = 1021425877078.

The previous prime is 1021425876953. The next prime is 1021425877103. The reversal of 1021425877079 is 9707785241201.

1021425877079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021425877079 - 2³² = 1017130909783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021425877079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021425870079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510712938539 + 510712938540.

It is an arithmetic number, because the mean of its divisors is an integer number (510712938540).

Almost surely, 2^{1021425877079} is an apocalyptic number.

1021425877079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021425877079 is an equidigital number, since it uses as much as digits as its factorization.

1021425877079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 1021425877079 in words is "one trillion, twenty-one billion, four hundred twenty-five million, eight hundred seventy-seven thousand, seventy-nine".