125203 has 4 divisors (see below), whose sum is σ = 134848. Its totient is φ = 115560.

The previous prime is 125201. The next prime is 125207. The reversal of 125203 is 302521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302521 = 353 ⋅857.

It is a cyclic number.

It is not a de Polignac number, because 125203 - 2¹ = 125201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 9631 = 125203 / (1 + 2 + 5 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125201) 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, 4803 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (33712).

2¹²⁵²⁰³ is an apocalyptic number.

125203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125203 is a deficient number, since it is larger than the sum of its proper divisors (9645).

125203 is an equidigital number, since it uses as much as digits as its factorization.

125203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 125203 is about 353.8403594843. The cubic root of 125203 is about 50.0270520278.

Adding to 125203 its reverse (302521), we get a palindrome (427724).

The spelling of 125203 in words is "one hundred twenty-five thousand, two hundred three".