1081228 has 6 divisors (see below), whose sum is σ = 1892156. Its totient is φ = 540612.

The previous prime is 1081219. The next prime is 1081229. The reversal of 1081228 is 8221801.

It is a junction number, because it is equal to n+sod(n) for n = 1081199 and 1081208.

It is not an unprimeable number, because it can be changed into a prime (1081229) by changing a digit.

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 as a sum of consecutive naturals, namely, 135150 + ... + 135157.

2^1081228 is an apocalyptic number.

It is an amenable number.

1081228 is a deficient number, since it is larger than the sum of its proper divisors (810928).

1081228 is a wasteful number, since it uses less digits than its factorization.

1081228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270311 (or 270309 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1081228 is about 1039.8211384656. The cubic root of 1081228 is about 102.6374281913.

The spelling of 1081228 in words is "one million, eighty-one thousand, two hundred twenty-eight".