109005597 has 12 divisors (see below), whose sum is σ = 160034524. Its totient is φ = 71478720.

The previous prime is 109005587. The next prime is 109005619. The reversal of 109005597 is 795500901.

It is a happy number.

109005597 is a `hidden beast` number, since 10 + 90 + 0 + 559 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 56385081 = 7254^2 + 7509^2 .

It is not a de Polignac number, because 109005597 - 2¹¹ = 109003549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109005587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98728 + ... + 99825.

Almost surely, 2^109005597 is an apocalyptic number.

It is an amenable number.

109005597 is a deficient number, since it is larger than the sum of its proper divisors (51028927).

109005597 is a wasteful number, since it uses less digits than its factorization.

109005597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198620 (or 198617 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 109005597 is about 10440.5745531556. The cubic root of 109005597 is about 477.6937941299.

The spelling of 109005597 in words is "one hundred nine million, five thousand, five hundred ninety-seven".