125103 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 71040.

The previous prime is 125101. The next prime is 125107. The reversal of 125103 is 301521.

It is not a de Polignac number, because 125103 - 2¹ = 125101 is a prime.

125103 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125103.

It is not an unprimeable number, because it can be changed into a prime (125101) 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 15 ways as a sum of consecutive naturals, for example, 450 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹²⁵¹⁰³ is an apocalyptic number.

125103 is a deficient number, since it is larger than the sum of its proper divisors (68433).

125103 is a wasteful number, since it uses less digits than its factorization.

125103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 125103 is about 353.6990245958. The cubic root of 125103 is about 50.0137295630.

Adding to 125103 its reverse (301521), we get a palindrome (426624).

It can be divided in two parts, 12 and 5103, that added together give a palindrome (5115).

The spelling of 125103 in words is "one hundred twenty-five thousand, one hundred three".