125220303 has 32 divisors (see below), whose sum is σ = 208481280. Its totient is φ = 73703520.

The previous prime is 125220269. The next prime is 125220311. The reversal of 125220303 is 303022521.

It is not a de Polignac number, because 125220303 - 2⁶ = 125220239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125220313) 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 31 ways as a sum of consecutive naturals, for example, 318 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (6515040).

Almost surely, 2^125220303 is an apocalyptic number.

125220303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125220303 is a deficient number, since it is larger than the sum of its proper divisors (83260977).

125220303 is a wasteful number, since it uses less digits than its factorization.

125220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556 (or 15550 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 125220303 is about 11190.1878000327. The cubic root of 125220303 is about 500.2935649389.

Adding to 125220303 its reverse (303022521), we get a palindrome (428242824).

The spelling of 125220303 in words is "one hundred twenty-five million, two hundred twenty thousand, three hundred three".