109271 has 4 divisors (see below), whose sum is σ = 110352. Its totient is φ = 108192.

The previous prime is 109267. The next prime is 109279. The reversal of 109271 is 172901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 172901 = 37 ⋅4673.

It is a cyclic number.

It is not a de Polignac number, because 109271 - 2² = 109267 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109279) 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 3 ways as a sum of consecutive naturals, for example, 371 + ... + 596.

It is an arithmetic number, because the mean of its divisors is an integer number (27588).

2¹⁰⁹²⁷¹ is an apocalyptic number.

109271 is a deficient number, since it is larger than the sum of its proper divisors (1081).

109271 is an equidigital number, since it uses as much as digits as its factorization.

109271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 109271 is about 330.5616432679. The cubic root of 109271 is about 47.8081170602.

The spelling of 109271 in words is "one hundred nine thousand, two hundred seventy-one".