1020143227 has 2 divisors, whose sum is σ = 1020143228. Its totient is φ = 1020143226.

The previous prime is 1020143207. The next prime is 1020143239. The reversal of 1020143227 is 7223410201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020143227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020143198 and 1020143207.

It is not a weakly prime, because it can be changed into another prime (1020143207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510071613 + 510071614.

It is an arithmetic number, because the mean of its divisors is an integer number (510071614).

Almost surely, 2^1020143227 is an apocalyptic number.

1020143227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020143227 is an equidigital number, since it uses as much as digits as its factorization.

1020143227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1020143227 is about 31939.6810722963. The cubic root of 1020143227 is about 1006.6698235480.

Adding to 1020143227 its reverse (7223410201), we get a palindrome (8243553428).

The spelling of 1020143227 in words is "one billion, twenty million, one hundred forty-three thousand, two hundred twenty-seven".