1273231 has 2 divisors, whose sum is σ = 1273232. Its totient is φ = 1273230.

The previous prime is 1273213. The next prime is 1273241. The reversal of 1273231 is 1323721.

Together with previous prime (1273213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1273231 - 2⁵ = 1273199 is a prime.

It is a super-2 number, since 2×1273231² = 3242234358722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1273199 and 1273208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1273241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636615 + 636616.

It is an arithmetic number, because the mean of its divisors is an integer number (636616).

2^1273231 is an apocalyptic number.

1273231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273231 is an equidigital number, since it uses as much as digits as its factorization.

1273231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 19.

The square root of 1273231 is about 1128.3753808020. The cubic root of 1273231 is about 108.3849715689.

Adding to 1273231 its reverse (1323721), we get a palindrome (2596952).

The spelling of 1273231 in words is "one million, two hundred seventy-three thousand, two hundred thirty-one".