120173 has 4 divisors (see below), whose sum is σ = 127260. Its totient is φ = 113088.

The previous prime is 120167. The next prime is 120181. The reversal of 120173 is 371021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371021 = 7 ⋅53003.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 51529 = 262^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 120173 - 2⁴ = 120157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120103) 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, 3518 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (31815).

2¹²⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

120173 is a deficient number, since it is larger than the sum of its proper divisors (7087).

120173 is an equidigital number, since it uses as much as digits as its factorization.

120173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 120173 is about 346.6597755725. The cubic root of 120173 is about 49.3479331434.

Adding to 120173 its reverse (371021), we get a palindrome (491194).

The spelling of 120173 in words is "one hundred twenty thousand, one hundred seventy-three", and thus it is an iban number.