125173 has 8 divisors (see below), whose sum is σ = 133056. Its totient is φ = 117600.

The previous prime is 125149. The next prime is 125183. The reversal of 125173 is 371521.

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

It is a cyclic number.

It is not a de Polignac number, because 125173 - 2⁵ = 125141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 125173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125113) 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, 1728 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (16632).

2¹²⁵¹⁷³ is an apocalyptic number.

It is an amenable number.

125173 is a deficient number, since it is larger than the sum of its proper divisors (7883).

125173 is an equidigital number, since it uses as much as digits as its factorization.

125173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its digits is 210, while the sum is 19.

The square root of 125173 is about 353.7979649461. The cubic root of 125173 is about 50.0230560334.

Adding to 125173 its reverse (371521), we get a palindrome (496694).

The spelling of 125173 in words is "one hundred twenty-five thousand, one hundred seventy-three".