125043303 has 32 divisors (see below), whose sum is σ = 209848320. Its totient is φ = 64337760.

The previous prime is 125043301. The next prime is 125043323. The reversal of 125043303 is 303340521.

It is not a de Polignac number, because 125043303 - 2¹ = 125043301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 125043303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22188 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (6557760).

Almost surely, 2^125043303 is an apocalyptic number.

125043303 is a deficient number, since it is larger than the sum of its proper divisors (84805017).

125043303 is a wasteful number, since it uses less digits than its factorization.

125043303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 125043303 is about 11182.2762888421. The cubic root of 125043303 is about 500.0577306674.

Adding to 125043303 its reverse (303340521), we get a palindrome (428383824).

The spelling of 125043303 in words is "one hundred twenty-five million, forty-three thousand, three hundred three".