1041220217 has 2 divisors, whose sum is σ = 1041220218. Its totient is φ = 1041220216.

The previous prime is 1041220207. The next prime is 1041220231. The reversal of 1041220217 is 7120221401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024704121 + 16516096 = 32011^2 + 4064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041220217 - 2⁶ = 1041220153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1041220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520610108 + 520610109.

It is an arithmetic number, because the mean of its divisors is an integer number (520610109).

Almost surely, 2^1041220217 is an apocalyptic number.

It is an amenable number.

1041220217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041220217 is an equidigital number, since it uses as much as digits as its factorization.

1041220217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1041220217 is about 32267.9441086661. The cubic root of 1041220217 is about 1013.5554907247. Note that the first 3 decimals are identical.

Adding to 1041220217 its reverse (7120221401), we get a palindrome (8161441618).

The spelling of 1041220217 in words is "one billion, forty-one million, two hundred twenty thousand, two hundred seventeen".