1273324960 has 24 divisors (see below), whose sum is σ = 3008230596. Its totient is φ = 509329920.

The previous prime is 1273324909. The next prime is 1273324963. The reversal of 1273324960 is 694233721.

It can be written as a sum of positive squares in 2 ways, for example, as 1261954576 + 11370384 = 35524^2 + 3372^2 .

It is not an unprimeable number, because it can be changed into a prime (1273324963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978981 + ... + 3979300.

Almost surely, 2^1273324960 is an apocalyptic number.

1273324960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273324960 is an abundant number, since it is smaller than the sum of its proper divisors (1734905636).

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

1273324960 is an equidigital number, since it uses as much as digits as its factorization.

1273324960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958296 (or 7958288 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1273324960 is about 35683.6791825058. The cubic root of 1273324960 is about 1083.8763764741.

The spelling of 1273324960 in words is "one billion, two hundred seventy-three million, three hundred twenty-four thousand, nine hundred sixty".