1270075798987 has 2 divisors, whose sum is σ = 1270075798988. Its totient is φ = 1270075798986.

The previous prime is 1270075798813. The next prime is 1270075799009. The reversal of 1270075798987 is 7898975700721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1270075798987 - 2¹¹ = 1270075796939 is a prime.

It is a super-2 number, since 2×1270075798987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270075790987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635037899493 + 635037899494.

It is an arithmetic number, because the mean of its divisors is an integer number (635037899494).

Almost surely, 2^{1270075798987} is an apocalyptic number.

1270075798987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270075798987 is an equidigital number, since it uses as much as digits as its factorization.

1270075798987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124467840, while the sum is 70.

The spelling of 1270075798987 in words is "one trillion, two hundred seventy billion, seventy-five million, seven hundred ninety-eight thousand, nine hundred eighty-seven".