1123273 has 4 divisors (see below), whose sum is σ = 1127808. Its totient is φ = 1118740.

The previous prime is 1123267. The next prime is 1123279. The reversal of 1123273 is 3723211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1123267) and next prime (1123279).

It is a cyclic number.

It is not a de Polignac number, because 1123273 - 2⁹ = 1122761 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 1123273.

It is not an unprimeable number, because it can be changed into a prime (1123279) 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, 1873 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (281952).

2^1123273 is an apocalyptic number.

It is an amenable number.

1123273 is a deficient number, since it is larger than the sum of its proper divisors (4535).

1123273 is an equidigital number, since it uses as much as digits as its factorization.

1123273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534.

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

The square root of 1123273 is about 1059.8457434929. The cubic root of 1123273 is about 103.9509445670.

Adding to 1123273 its reverse (3723211), we get a palindrome (4846484).

The spelling of 1123273 in words is "one million, one hundred twenty-three thousand, two hundred seventy-three".