109028 has 12 divisors (see below), whose sum is σ = 193452. Its totient is φ = 53760.

The previous prime is 109013. The next prime is 109037. The reversal of 109028 is 820901.

It can be written as a sum of positive squares in 2 ways, for example, as 61504 + 47524 = 248^2 + 218^2 .

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109028.

It is an unprimeable number.

109028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (16121).

2¹⁰⁹⁰²⁸ is an apocalyptic number.

It is an amenable number.

109028 is a deficient number, since it is larger than the sum of its proper divisors (84424).

109028 is a wasteful number, since it uses less digits than its factorization.

109028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 109028 is about 330.1938824388. The cubic root of 109028 is about 47.7726517346.

Adding to 109028 its reverse (820901), we get a palindrome (929929).

The spelling of 109028 in words is "one hundred nine thousand, twenty-eight".