1002066125 has 8 divisors (see below), whose sum is σ = 1250578680. Its totient is φ = 801652800.

The previous prime is 1002066119. The next prime is 1002066167. The reversal of 1002066125 is 5216602001.

It can be written as a sum of positive squares in 4 ways, for example, as 174583369 + 827482756 = 13213^2 + 28766^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1002066125 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002066125.

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 7 ways as a sum of consecutive naturals, for example, 4008140 + ... + 4008389.

It is an arithmetic number, because the mean of its divisors is an integer number (156322335).

Almost surely, 2^1002066125 is an apocalyptic number.

It is an amenable number.

1002066125 is a deficient number, since it is larger than the sum of its proper divisors (248512555).

1002066125 is an frugal number, since it uses more digits than its factorization.

1002066125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016544 (or 8016534 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1002066125 is about 31655.4280495463. The cubic root of 1002066125 is about 1000.6882345579.

Adding to 1002066125 its reverse (5216602001), we get a palindrome (6218668126).

The spelling of 1002066125 in words is "one billion, two million, sixty-six thousand, one hundred twenty-five".