1272323 has 4 divisors (see below), whose sum is σ = 1370208. Its totient is φ = 1174440.

The previous prime is 1272289. The next prime is 1272329. The reversal of 1272323 is 3232721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232721 = 1567 ⋅2063.

It is a cyclic number.

It is not a de Polignac number, because 1272323 - 2⁸ = 1272067 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1272295 and 1272304.

It is not an unprimeable number, because it can be changed into a prime (1272329) 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, 48923 + ... + 48948.

It is an arithmetic number, because the mean of its divisors is an integer number (342552).

2^1272323 is an apocalyptic number.

1272323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1272323 is a deficient number, since it is larger than the sum of its proper divisors (97885).

1272323 is an equidigital number, since it uses as much as digits as its factorization.

1272323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97884.

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

The square root of 1272323 is about 1127.9729606688. The cubic root of 1272323 is about 108.3592006606.

The spelling of 1272323 in words is "one million, two hundred seventy-two thousand, three hundred twenty-three".