125205303 has 8 divisors (see below), whose sum is σ = 167382400. Its totient is φ = 83249208.

The previous prime is 125205287. The next prime is 125205313. The reversal of 125205303 is 303502521.

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

It is not a de Polignac number, because 125205303 - 2⁴ = 125205287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125205303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125205313) 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 7 ways as a sum of consecutive naturals, for example, 53923 + ... + 56196.

It is an arithmetic number, because the mean of its divisors is an integer number (20922800).

Almost surely, 2^125205303 is an apocalyptic number.

125205303 is a deficient number, since it is larger than the sum of its proper divisors (42177097).

125205303 is a wasteful number, since it uses less digits than its factorization.

125205303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110501.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 125205303 is about 11189.5175499214. The cubic root of 125205303 is about 500.2735876057.

Adding to 125205303 its reverse (303502521), we get a palindrome (428707824).

The spelling of 125205303 in words is "one hundred twenty-five million, two hundred five thousand, three hundred three".