109043775 has 18 divisors (see below), whose sum is σ = 195309920. Its totient is φ = 58156560.

The previous prime is 109043761. The next prime is 109043777. The reversal of 109043775 is 577340901.

It is a happy number.

It is not a de Polignac number, because 109043775 - 2¹⁰ = 109042751 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109043777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 242095 + ... + 242544.

Almost surely, 2^109043775 is an apocalyptic number.

109043775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109043775 is a deficient number, since it is larger than the sum of its proper divisors (86266145).

109043775 is a wasteful number, since it uses less digits than its factorization.

109043775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484655 (or 484647 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 109043775 is about 10442.4027407489. The cubic root of 109043775 is about 477.7495566028.

The spelling of 109043775 in words is "one hundred nine million, forty-three thousand, seven hundred seventy-five".