1273223 has 4 divisors (see below), whose sum is σ = 1455120. Its totient is φ = 1091328.

The previous prime is 1273213. The next prime is 1273231. The reversal of 1273223 is 3223721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223721 = 31 ⋅103991.

It is not a de Polignac number, because 1273223 - 2⁶ = 1273159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1273195 and 1273204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273213) 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, 90938 + ... + 90951.

It is an arithmetic number, because the mean of its divisors is an integer number (363780).

2^1273223 is an apocalyptic number.

1273223 is a deficient number, since it is larger than the sum of its proper divisors (181897).

1273223 is an equidigital number, since it uses as much as digits as its factorization.

1273223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181896.

The product of its digits is 504, while the sum is 20.

The square root of 1273223 is about 1128.3718358768. The cubic root of 1273223 is about 108.3847445659.

Adding to 1273223 its reverse (3223721), we get a palindrome (4496944).

The spelling of 1273223 in words is "one million, two hundred seventy-three thousand, two hundred twenty-three".