173122 has 4 divisors (see below), whose sum is σ = 259686. Its totient is φ = 86560.

The previous prime is 173099. The next prime is 173137. The reversal of 173122 is 221371.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 160801 + 12321 = 401^2 + 111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 173096 and 173105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43279 + ... + 43282.

2¹⁷³¹²² is an apocalyptic number.

173122 is a deficient number, since it is larger than the sum of its proper divisors (86564).

173122 is an equidigital number, since it uses as much as digits as its factorization.

173122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86563.

The product of its digits is 84, while the sum is 16.

The square root of 173122 is about 416.0793193611. The cubic root of 173122 is about 55.7336415638.

Adding to 173122 its reverse (221371), we get a palindrome (394493).

The spelling of 173122 in words is "one hundred seventy-three thousand, one hundred twenty-two", and thus it is an iban number.