109287617 has 8 divisors (see below), whose sum is σ = 113326080. Its totient is φ = 105281280.

The previous prime is 109287613. The next prime is 109287623. The reversal of 109287617 is 716782901.

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

It is a cyclic number.

It is not a de Polignac number, because 109287617 - 2² = 109287613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109287613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992 + ... + 14817.

It is an arithmetic number, because the mean of its divisors is an integer number (14165760).

Almost surely, 2^109287617 is an apocalyptic number.

It is an amenable number.

109287617 is a deficient number, since it is larger than the sum of its proper divisors (4038463).

109287617 is a wasteful number, since it uses less digits than its factorization.

109287617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16063.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 109287617 is about 10454.0717904556. The cubic root of 109287617 is about 478.1054035399.

The spelling of 109287617 in words is "one hundred nine million, two hundred eighty-seven thousand, six hundred seventeen".