1042221163 has 2 divisors, whose sum is σ = 1042221164. Its totient is φ = 1042221162.

The previous prime is 1042221161. The next prime is 1042221221. The reversal of 1042221163 is 3611222401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042221163 - 2¹ = 1042221161 is a prime.

Together with 1042221161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1042221161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521110581 + 521110582.

It is an arithmetic number, because the mean of its divisors is an integer number (521110582).

Almost surely, 2^1042221163 is an apocalyptic number.

1042221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042221163 is an equidigital number, since it uses as much as digits as its factorization.

1042221163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1042221163 is about 32283.4502957785. The cubic root of 1042221163 is about 1013.8801704867.

Adding to 1042221163 its reverse (3611222401), we get a palindrome (4653443564).

The spelling of 1042221163 in words is "one billion, forty-two million, two hundred twenty-one thousand, one hundred sixty-three".