1279228 has 12 divisors (see below), whose sum is σ = 2249632. Its totient is φ = 636480.

The previous prime is 1279211. The next prime is 1279249. The reversal of 1279228 is 8229721.

It is a self number, because there is not a number n which added to its sum of digits gives 1279228.

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 3 ways as a sum of consecutive naturals, for example, 301 + ... + 1627.

2^1279228 is an apocalyptic number.

It is an amenable number.

1279228 is a deficient number, since it is larger than the sum of its proper divisors (970404).

1279228 is a wasteful number, since it uses less digits than its factorization.

1279228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1570 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 1279228 is about 1131.0296194176. The cubic root of 1279228 is about 108.5548718322.

The spelling of 1279228 in words is "one million, two hundred seventy-nine thousand, two hundred twenty-eight".