1020589841 has 8 divisors (see below), whose sum is σ = 1038576384. Its totient is φ = 1002643920.

The previous prime is 1020589811. The next prime is 1020589853. The reversal of 1020589841 is 1489850201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020589841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020589795 and 1020589804.

It is not an unprimeable number, because it can be changed into a prime (1020589811) 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 7 ways as a sum of consecutive naturals, for example, 42950 + ... + 62336.

It is an arithmetic number, because the mean of its divisors is an integer number (129822048).

Almost surely, 2^1020589841 is an apocalyptic number.

It is an amenable number.

1020589841 is a deficient number, since it is larger than the sum of its proper divisors (17986543).

1020589841 is an equidigital number, since it uses as much as digits as its factorization.

1020589841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1020589841 is about 31946.6718297853. The cubic root of 1020589841 is about 1006.8167072505.

The spelling of 1020589841 in words is "one billion, twenty million, five hundred eighty-nine thousand, eight hundred forty-one".