1021260492379 has 2 divisors, whose sum is σ = 1021260492380. Its totient is φ = 1021260492378.

The previous prime is 1021260492367. The next prime is 1021260492383. The reversal of 1021260492379 is 9732940621201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021260492379 - 2²⁵ = 1021226937947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021260492349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510630246189 + 510630246190.

It is an arithmetic number, because the mean of its divisors is an integer number (510630246190).

Almost surely, 2^{1021260492379} is an apocalyptic number.

1021260492379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021260492379 is an equidigital number, since it uses as much as digits as its factorization.

1021260492379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1021260492379 in words is "one trillion, twenty-one billion, two hundred sixty million, four hundred ninety-two thousand, three hundred seventy-nine".