1245323 has 4 divisors (see below), whose sum is σ = 1274328. Its totient is φ = 1216320.

The previous prime is 1245281. The next prime is 1245331. The reversal of 1245323 is 3235421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1245323 - 2⁸ = 1245067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245295 and 1245304.

It is not an unprimeable number, because it can be changed into a prime (1245353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14438 + ... + 14523.

It is an arithmetic number, because the mean of its divisors is an integer number (318582).

2^1245323 is an apocalyptic number.

1245323 is a deficient number, since it is larger than the sum of its proper divisors (29005).

1245323 is an equidigital number, since it uses as much as digits as its factorization.

1245323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29004.

The product of its digits is 720, while the sum is 20.

The square root of 1245323 is about 1115.9404105955. The cubic root of 1245323 is about 107.5872160431.

The spelling of 1245323 in words is "one million, two hundred forty-five thousand, three hundred twenty-three".