125331003 has 16 divisors (see below), whose sum is σ = 212200960. Its totient is φ = 71617608.

The previous prime is 125330993. The next prime is 125331007. The reversal of 125331003 is 300133521.

It is not a de Polignac number, because 125331003 - 2¹⁰ = 125329979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125331007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331375 + ... + 331752.

It is an arithmetic number, because the mean of its divisors is an integer number (13262560).

Almost surely, 2^125331003 is an apocalyptic number.

125331003 is a deficient number, since it is larger than the sum of its proper divisors (86869957).

125331003 is an equidigital number, since it uses as much as digits as its factorization.

125331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663143 (or 663137 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 125331003 is about 11195.1330050161. The cubic root of 125331003 is about 500.4409483481.

Adding to 125331003 its reverse (300133521), we get a palindrome (425464524).

The spelling of 125331003 in words is "one hundred twenty-five million, three hundred thirty-one thousand, three".