1283243 has 4 divisors (see below), whose sum is σ = 1381968. Its totient is φ = 1184520.

The previous prime is 1283237. The next prime is 1283297. The reversal of 1283243 is 3423821.

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 1283243 - 2⁶ = 1283179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283543) 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, 49343 + ... + 49368.

It is an arithmetic number, because the mean of its divisors is an integer number (345492).

2^1283243 is an apocalyptic number.

1283243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1283243 is a deficient number, since it is larger than the sum of its proper divisors (98725).

1283243 is an equidigital number, since it uses as much as digits as its factorization.

1283243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98724.

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

The square root of 1283243 is about 1132.8031603063. The cubic root of 1283243 is about 108.6683237522.

The spelling of 1283243 in words is "one million, two hundred eighty-three thousand, two hundred forty-three".