1042503125 has 24 divisors (see below), whose sum is σ = 1308916224. Its totient is φ = 830250000.

The previous prime is 1042503089. The next prime is 1042503131. The reversal of 1042503125 is 5213052401.

It is a de Polignac number, because none of the positive numbers 2^k-1042503125 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042503125.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 846260 + ... + 847490.

It is an arithmetic number, because the mean of its divisors is an integer number (54538176).

Almost surely, 2^1042503125 is an apocalyptic number.

It is an amenable number.

1042503125 is a deficient number, since it is larger than the sum of its proper divisors (266413099).

1042503125 is an frugal number, since it uses more digits than its factorization.

1042503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1042503125 is about 32287.8169748281. The cubic root of 1042503125 is about 1013.9715937900.

Adding to 1042503125 its reverse (5213052401), we get a palindrome (6255555526).

The spelling of 1042503125 in words is "one billion, forty-two million, five hundred three thousand, one hundred twenty-five".