125544203 has 4 divisors (see below), whose sum is σ = 129594048. Its totient is φ = 121494360.

The previous prime is 125544187. The next prime is 125544233. The reversal of 125544203 is 302445521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125544203 - 2⁴ = 125544187 is a prime.

It is a super-4 number, since 4×125544203⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125544233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024876 + ... + 2024937.

It is an arithmetic number, because the mean of its divisors is an integer number (32398512).

Almost surely, 2^125544203 is an apocalyptic number.

125544203 is a deficient number, since it is larger than the sum of its proper divisors (4049845).

125544203 is an equidigital number, since it uses as much as digits as its factorization.

125544203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049844.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125544203 is about 11204.6509539566. The cubic root of 125544203 is about 500.7245535372.

Adding to 125544203 its reverse (302445521), we get a palindrome (427989724).

The spelling of 125544203 in words is "one hundred twenty-five million, five hundred forty-four thousand, two hundred three".