1273508870960 has 20 divisors (see below), whose sum is σ = 2960908125168. Its totient is φ = 509403548352.

The previous prime is 1273508870941. The next prime is 1273508870981. The reversal of 1273508870960 is 690788053721.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1273508870896 and 1273508870905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7959430364 + ... + 7959430523.

Almost surely, 2^{1273508870960} is an apocalyptic number.

1273508870960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273508870960 is an abundant number, since it is smaller than the sum of its proper divisors (1687399254208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273508870960 is a wasteful number, since it uses less digits than its factorization.

1273508870960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918860900 (or 15918860894 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1273508870960 in words is "one trillion, two hundred seventy-three billion, five hundred eight million, eight hundred seventy thousand, nine hundred sixty".