125500203 has 12 divisors (see below), whose sum is σ = 181467000. Its totient is φ = 83579616.

The previous prime is 125500201. The next prime is 125500211. The reversal of 125500203 is 302005521.

It is a happy number.

It is not a de Polignac number, because 125500203 - 2¹ = 125500201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125500201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2548 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (15122250).

Almost surely, 2^125500203 is an apocalyptic number.

125500203 is a deficient number, since it is larger than the sum of its proper divisors (55966797).

125500203 is a wasteful number, since it uses less digits than its factorization.

125500203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538 (or 14535 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 125500203 is about 11202.6873115338. The cubic root of 125500203 is about 500.6660496950. Note that the first 3 decimals are identical.

Adding to 125500203 its reverse (302005521), we get a palindrome (427505724).

The spelling of 125500203 in words is "one hundred twenty-five million, five hundred thousand, two hundred three".