2003129528 has 16 divisors (see below), whose sum is σ = 3885381000. Its totient is φ = 967027936.

The previous prime is 2003129521. The next prime is 2003129539. The reversal of 2003129528 is 8259213002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2003129494 and 2003129503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003129521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4316858 + ... + 4317321.

Almost surely, 2^2003129528 is an apocalyptic number.

It is an amenable number.

2003129528 is a deficient number, since it is larger than the sum of its proper divisors (1882251472).

2003129528 is a wasteful number, since it uses less digits than its factorization.

2003129528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634214 (or 8634210 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2003129528 is about 44756.3350599667. The cubic root of 2003129528 is about 1260.5778671265.

The spelling of 2003129528 in words is "two billion, three million, one hundred twenty-nine thousand, five hundred twenty-eight".