1243286 has 16 divisors (see below), whose sum is σ = 2101248. Its totient is φ = 546600.

The previous prime is 1243273. The next prime is 1243309. The reversal of 1243286 is 6823421.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 230 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (131328).

2^1243286 is an apocalyptic number.

1243286 is a deficient number, since it is larger than the sum of its proper divisors (857962).

1243286 is a wasteful number, since it uses less digits than its factorization.

1243286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its digits is 2304, while the sum is 26.

The square root of 1243286 is about 1115.0273539246. The cubic root of 1243286 is about 107.5285231686.

The spelling of 1243286 in words is "one million, two hundred forty-three thousand, two hundred eighty-six".