1286229 has 16 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 702768.

The previous prime is 1286227. The next prime is 1286239. The reversal of 1286229 is 9226821.

It is not a de Polignac number, because 1286229 - 2¹ = 1286227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1286196 and 1286205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (127872).

2^1286229 is an apocalyptic number.

It is an amenable number.

1286229 is a deficient number, since it is larger than the sum of its proper divisors (759723).

1286229 is a wasteful number, since it uses less digits than its factorization.

1286229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its digits is 3456, while the sum is 30.

The square root of 1286229 is about 1134.1203639826. The cubic root of 1286229 is about 108.7525458514.

The spelling of 1286229 in words is "one million, two hundred eighty-six thousand, two hundred twenty-nine".