1268228 has 24 divisors (see below), whose sum is σ = 2475480. Its totient is φ = 565152.

The previous prime is 1268221. The next prime is 1268233. The reversal of 1268228 is 8228621.

It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 1236544 = 178^2 + 1112^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 1268228.

It is not an unprimeable number, because it can be changed into a prime (1268221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43718 + ... + 43746.

It is an arithmetic number, because the mean of its divisors is an integer number (103145).

2^1268228 is an apocalyptic number.

It is an amenable number.

1268228 is a deficient number, since it is larger than the sum of its proper divisors (1207252).

1268228 is an equidigital number, since it uses as much as digits as its factorization.

1268228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 44 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1268228 is about 1126.1562946590. The cubic root of 1268228 is about 108.2428235477.

The spelling of 1268228 in words is "one million, two hundred sixty-eight thousand, two hundred twenty-eight".