109057171 has 4 divisors (see below), whose sum is σ = 111717144. Its totient is φ = 106397200.

The previous prime is 109057147. The next prime is 109057177. The reversal of 109057171 is 171750901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109057171 - 2⁷ = 109057043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109057177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329925 + ... + 1330006.

It is an arithmetic number, because the mean of its divisors is an integer number (27929286).

Almost surely, 2^109057171 is an apocalyptic number.

109057171 is a deficient number, since it is larger than the sum of its proper divisors (2659973).

109057171 is an equidigital number, since it uses as much as digits as its factorization.

109057171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659972.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 109057171 is about 10443.0441443096. The cubic root of 109057171 is about 477.7691196055.

The spelling of 109057171 in words is "one hundred nine million, fifty-seven thousand, one hundred seventy-one".