1273321083 has 4 divisors (see below), whose sum is σ = 1697761448. Its totient is φ = 848880720.

The previous prime is 1273321073. The next prime is 1273321129. The reversal of 1273321083 is 3801233721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1273321083 - 2⁶ = 1273321019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1273321083.

It is not an unprimeable number, because it can be changed into a prime (1273321003) 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 3 ways as a sum of consecutive naturals, for example, 212220178 + ... + 212220183.

It is an arithmetic number, because the mean of its divisors is an integer number (424440362).

Almost surely, 2^1273321083 is an apocalyptic number.

1273321083 is a deficient number, since it is larger than the sum of its proper divisors (424440365).

1273321083 is an equidigital number, since it uses as much as digits as its factorization.

1273321083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424440364.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1273321083 is about 35683.6248579093. The cubic root of 1273321083 is about 1083.8752764163.

The spelling of 1273321083 in words is "one billion, two hundred seventy-three million, three hundred twenty-one thousand, eighty-three".