1087228 has 6 divisors (see below), whose sum is σ = 1902656. Its totient is φ = 543612.

The previous prime is 1087159. The next prime is 1087231. The reversal of 1087228 is 8227801.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 0 + 8³ + 7⁷ + 2² + 2¹⁰ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 1087196 and 1087205.

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 as a sum of consecutive naturals, namely, 135900 + ... + 135907.

2^1087228 is an apocalyptic number.

It is an amenable number.

1087228 is a deficient number, since it is larger than the sum of its proper divisors (815428).

1087228 is a wasteful number, since it uses less digits than its factorization.

1087228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271811 (or 271809 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1087228 is about 1042.7022585571. The cubic root of 1087228 is about 102.8269315299.

The spelling of 1087228 in words is "one million, eighty-seven thousand, two hundred twenty-eight".