125529003 has 24 divisors (see below), whose sum is σ = 196677936. Its totient is φ = 76838400.

The previous prime is 125528993. The next prime is 125529007. The reversal of 125529003 is 300925521.

It is not a de Polignac number, because 125529003 - 2⁸ = 125528747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125529007) 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 23 ways as a sum of consecutive naturals, for example, 3733 + ... + 16278.

It is an arithmetic number, because the mean of its divisors is an integer number (8194914).

Almost surely, 2^125529003 is an apocalyptic number.

125529003 is a deficient number, since it is larger than the sum of its proper divisors (71148933).

125529003 is a wasteful number, since it uses less digits than its factorization.

125529003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20075 (or 20072 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 125529003 is about 11203.9726436653. The cubic root of 125529003 is about 500.7043446646.

The spelling of 125529003 in words is "one hundred twenty-five million, five hundred twenty-nine thousand, three".