109409597 has 8 divisors (see below), whose sum is σ = 124545600. Its totient is φ = 95138560.

The previous prime is 109409579. The next prime is 109409609. The reversal of 109409597 is 795904901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109409597 - 2¹⁰ = 109408573 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 (109409537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215972 + ... + 216477.

It is an arithmetic number, because the mean of its divisors is an integer number (15568200).

Almost surely, 2^109409597 is an apocalyptic number.

It is an amenable number.

109409597 is a deficient number, since it is larger than the sum of its proper divisors (15136003).

109409597 is a wasteful number, since it uses less digits than its factorization.

109409597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432483.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 109409597 is about 10459.9042538639. The cubic root of 109409597 is about 478.2832145146.

The spelling of 109409597 in words is "one hundred nine million, four hundred nine thousand, five hundred ninety-seven".