1243283 has 4 divisors (see below), whose sum is σ = 1251360. Its totient is φ = 1235208.

The previous prime is 1243273. The next prime is 1243309. The reversal of 1243283 is 3823421.

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 1243283 - 2¹⁴ = 1226899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (312840).

2^1243283 is an apocalyptic number.

1243283 is a deficient number, since it is larger than the sum of its proper divisors (8077).

1243283 is an equidigital number, since it uses as much as digits as its factorization.

1243283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076.

The product of its digits is 1152, while the sum is 23.

The square root of 1243283 is about 1115.0260086653. The cubic root of 1243283 is about 107.5284366811.

The spelling of 1243283 in words is "one million, two hundred forty-three thousand, two hundred eighty-three".