120171 has 8 divisors (see below), whose sum is σ = 164304. Its totient is φ = 78080.

The previous prime is 120167. The next prime is 120181. The reversal of 120171 is 171021.

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

It is a 8-Lehmer number, since φ(120171) divides (120171-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 120171 - 2² = 120167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121) 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, 366 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (20538).

2¹²⁰¹⁷¹ is an apocalyptic number.

120171 is a deficient number, since it is larger than the sum of its proper divisors (44133).

120171 is an equidigital number, since it uses as much as digits as its factorization.

120171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 120171 is about 346.6568908878. The cubic root of 120171 is about 49.3476593813.

Adding to 120171 its reverse (171021), we get a palindrome (291192).

The spelling of 120171 in words is "one hundred twenty thousand, one hundred seventy-one", and thus it is an iban number.