1071228 has 12 divisors (see below), whose sum is σ = 2499560. Its totient is φ = 357072.

The previous prime is 1071227. The next prime is 1071229. The reversal of 1071228 is 8221701.

It is an interprime number because it is at equal distance from previous prime (1071227) and next prime (1071229).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1071228³ = 3687796962241333056, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44623 + ... + 44646.

2^1071228 is an apocalyptic number.

It is an amenable number.

1071228 is an abundant number, since it is smaller than the sum of its proper divisors (1428332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071228 is a wasteful number, since it uses less digits than its factorization.

1071228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89276 (or 89274 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1071228 is about 1035.0014492743. The cubic root of 1071228 is about 102.3200252429.

Adding to 1071228 its reverse (8221701), we get a palindrome (9292929).

The spelling of 1071228 in words is "one million, seventy-one thousand, two hundred twenty-eight".