109520171 has 8 divisors (see below), whose sum is σ = 117048240. Its totient is φ = 102112768.

The previous prime is 109520141. The next prime is 109520197. The reversal of 109520171 is 171025901.

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 109520171 - 2²⁶ = 42411307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109520171.

It is not an unprimeable number, because it can be changed into a prime (109520141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28286 + ... + 31923.

It is an arithmetic number, because the mean of its divisors is an integer number (14631030).

Almost surely, 2^109520171 is an apocalyptic number.

109520171 is a deficient number, since it is larger than the sum of its proper divisors (7528069).

109520171 is a wasteful number, since it uses less digits than its factorization.

109520171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60333.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 109520171 is about 10465.1885315077. The cubic root of 109520171 is about 478.4442847298. Note that the first 3 decimals are identical.

The spelling of 109520171 in words is "one hundred nine million, five hundred twenty thousand, one hundred seventy-one".