1143022057 has 2 divisors, whose sum is σ = 1143022058. Its totient is φ = 1143022056.

The previous prime is 1143022033. The next prime is 1143022063. The reversal of 1143022057 is 7502203411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 772228521 + 370793536 = 27789^2 + 19256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143022057 is a prime.

It is a super-2 number, since 2×1143022057² = 2612998845577022498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143022457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571511028 + 571511029.

It is an arithmetic number, because the mean of its divisors is an integer number (571511029).

Almost surely, 2^1143022057 is an apocalyptic number.

It is an amenable number.

1143022057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143022057 is an equidigital number, since it uses as much as digits as its factorization.

1143022057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1143022057 is about 33808.6092142223. The cubic root of 1143022057 is about 1045.5662040028.

Adding to 1143022057 its reverse (7502203411), we get a palindrome (8645225468).

The spelling of 1143022057 in words is "one billion, one hundred forty-three million, twenty-two thousand, fifty-seven".