1021143359 has 2 divisors, whose sum is σ = 1021143360. Its totient is φ = 1021143358.

The previous prime is 1021143341. The next prime is 1021143367. The reversal of 1021143359 is 9533411201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9533411201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021143359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021143659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510571679 + 510571680.

It is an arithmetic number, because the mean of its divisors is an integer number (510571680).

Almost surely, 2^1021143359 is an apocalyptic number.

1021143359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021143359 is an equidigital number, since it uses as much as digits as its factorization.

1021143359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1021143359 is about 31955.3338114312. Note that the first 3 decimals coincide. The cubic root of 1021143359 is about 1006.9986903969.

The spelling of 1021143359 in words is "one billion, twenty-one million, one hundred forty-three thousand, three hundred fifty-nine".