1002130443 has 12 divisors (see below), whose sum is σ = 1460333160. Its totient is φ = 662174016.

The previous prime is 1002130439. The next prime is 1002130483. The reversal of 1002130443 is 3440312001.

1002130443 is a `hidden beast` number, since 10 + 0 + 213 + 0 + 443 = 666.

It is not a de Polignac number, because 1002130443 - 2² = 1002130439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002130403) 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 11 ways as a sum of consecutive naturals, for example, 491673 + ... + 493706.

It is an arithmetic number, because the mean of its divisors is an integer number (121694430).

Almost surely, 2^1002130443 is an apocalyptic number.

1002130443 is a deficient number, since it is larger than the sum of its proper divisors (458202717).

1002130443 is a wasteful number, since it uses less digits than its factorization.

1002130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985498 (or 985495 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1002130443 is about 31656.4439411631. The cubic root of 1002130443 is about 1000.7096439530.

Adding to 1002130443 its reverse (3440312001), we get a palindrome (4442442444).

The spelling of 1002130443 in words is "one billion, two million, one hundred thirty thousand, four hundred forty-three".