109041028 has 6 divisors (see below), whose sum is σ = 190821806. Its totient is φ = 54520512.

The previous prime is 109041013. The next prime is 109041029. The reversal of 109041028 is 820140901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106874244 + 2166784 = 10338^2 + 1472^2 .

It is a super-3 number, since 3×109041028³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109040993 and 109041011.

It is not an unprimeable number, because it can be changed into a prime (109041029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13630125 + ... + 13630132.

Almost surely, 2^109041028 is an apocalyptic number.

It is an amenable number.

109041028 is a deficient number, since it is larger than the sum of its proper divisors (81780778).

109041028 is a wasteful number, since it uses less digits than its factorization.

109041028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27260261 (or 27260259 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 109041028 is about 10442.2712088894. The cubic root of 109041028 is about 477.7455447918.

Adding to 109041028 its reverse (820140901), we get a palindrome (929181929).

The spelling of 109041028 in words is "one hundred nine million, forty-one thousand, twenty-eight".