127173 has 4 divisors (see below), whose sum is σ = 169568. Its totient is φ = 84780.

The previous prime is 127163. The next prime is 127189. The reversal of 127173 is 371721.

127173 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 127173 - 2⁴ = 127157 is a prime.

It is a D-number.

It is a Duffinian number.

127173 is strictly pandigital in base 7.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127103) 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, 21193 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (42392).

2¹²⁷¹⁷³ is an apocalyptic number.

It is an amenable number.

127173 is a deficient number, since it is larger than the sum of its proper divisors (42395).

127173 is an equidigital number, since it uses as much as digits as its factorization.

127173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42394.

The product of its digits is 294, while the sum is 21.

The square root of 127173 is about 356.6132358733. The cubic root of 127173 is about 50.2880704542.

Adding to 127173 its reverse (371721), we get a palindrome (498894).

It can be divided in two parts, 12717 and 3, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 127173 in words is "one hundred twenty-seven thousand, one hundred seventy-three", and thus it is an iban number.