1273331 has 2 divisors, whose sum is σ = 1273332. Its totient is φ = 1273330.

The previous prime is 1273313. The next prime is 1273333. The reversal of 1273331 is 1333721.

It is a happy number.

Together with previous prime (1273313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1333721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1273331 - 2⁶ = 1273267 is a prime.

It is a super-2 number, since 2×1273331² = 3242743671122, which contains 22 as substring.

Together with 1273333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1273333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636665 + 636666.

It is an arithmetic number, because the mean of its divisors is an integer number (636666).

2^1273331 is an apocalyptic number.

1273331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273331 is an equidigital number, since it uses as much as digits as its factorization.

1273331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 20.

The square root of 1273331 is about 1128.4196914269. The cubic root of 1273331 is about 108.3878090256.

The spelling of 1273331 in words is "one million, two hundred seventy-three thousand, three hundred thirty-one".