1024120217 has 2 divisors, whose sum is σ = 1024120218. Its totient is φ = 1024120216.

The previous prime is 1024120199. The next prime is 1024120231. The reversal of 1024120217 is 7120214201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017865216 + 6255001 = 31904^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024120217 - 2¹⁴ = 1024103833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1024320217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512060108 + 512060109.

It is an arithmetic number, because the mean of its divisors is an integer number (512060109).

Almost surely, 2^1024120217 is an apocalyptic number.

It is an amenable number.

1024120217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024120217 is an equidigital number, since it uses as much as digits as its factorization.

1024120217 is an evil number, because the sum of its binary digits is even.

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

The square root of 1024120217 is about 32001.8783354977. The cubic root of 1024120217 is about 1007.9762821039.

Adding to 1024120217 its reverse (7120214201), we get a palindrome (8144334418).

The spelling of 1024120217 in words is "one billion, twenty-four million, one hundred twenty thousand, two hundred seventeen".