1020530143 has 2 divisors, whose sum is σ = 1020530144. Its totient is φ = 1020530142.

The previous prime is 1020530141. The next prime is 1020530149. The reversal of 1020530143 is 3410350201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3410350201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020530143 - 2¹ = 1020530141 is a prime.

Together with 1020530141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020530143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020530141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510265071 + 510265072.

It is an arithmetic number, because the mean of its divisors is an integer number (510265072).

Almost surely, 2^1020530143 is an apocalyptic number.

1020530143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020530143 is an equidigital number, since it uses as much as digits as its factorization.

1020530143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020530143 is about 31945.7374777919. The cubic root of 1020530143 is about 1006.7970760812.

Adding to 1020530143 its reverse (3410350201), we get a palindrome (4430880344).

The spelling of 1020530143 in words is "one billion, twenty million, five hundred thirty thousand, one hundred forty-three".