1101028 has 12 divisors (see below), whose sum is σ = 1934380. Its totient is φ = 548352.

The previous prime is 1100977. The next prime is 1101071. The reversal of 1101028 is 8201011.

It can be written as a sum of positive squares in 2 ways, for example, as 719104 + 381924 = 848^2 + 618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100999 and 1101017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300 + ... + 1972.

2^1101028 is an apocalyptic number.

It is an amenable number.

1101028 is a deficient number, since it is larger than the sum of its proper divisors (833352).

1101028 is a wasteful number, since it uses less digits than its factorization.

1101028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1101028 is about 1049.2988134940. The cubic root of 1101028 is about 103.2601586231.

Adding to 1101028 its reverse (8201011), we get a palindrome (9302039).

The spelling of 1101028 in words is "one million, one hundred one thousand, twenty-eight".