1280103274919 has 12 divisors (see below), whose sum is σ = 1490442532200. Its totient is φ = 1096241943888.

The previous prime is 1280103274871. The next prime is 1280103274937. The reversal of 1280103274919 is 9194723010821.

It is not a de Polignac number, because 1280103274919 - 2⁸ = 1280103274663 is a prime.

It is a super-2 number, since 2×1280103274919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280103274019) 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 in 11 ways as a sum of consecutive naturals, for example, 11724089 + ... + 11832770.

It is an arithmetic number, because the mean of its divisors is an integer number (124203544350).

Almost surely, 2^{1280103274919} is an apocalyptic number.

1280103274919 is a deficient number, since it is larger than the sum of its proper divisors (210339257281).

1280103274919 is a wasteful number, since it uses less digits than its factorization.

1280103274919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23557982 (or 23557975 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 1280103274919 in words is "one trillion, two hundred eighty billion, one hundred three million, two hundred seventy-four thousand, nine hundred nineteen".