1024201217 has 4 divisors (see below), whose sum is σ = 1102985940. Its totient is φ = 945416496.

The previous prime is 1024201141. The next prime is 1024201229. The reversal of 1024201217 is 7121024201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7121024201 = 9679 ⋅735719.

It can be written as a sum of positive squares in 2 ways, for example, as 375429376 + 648771841 = 19376^2 + 25471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024201217 - 2¹⁰ = 1024200193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024201817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39392342 + ... + 39392367.

It is an arithmetic number, because the mean of its divisors is an integer number (275746485).

Almost surely, 2^1024201217 is an apocalyptic number.

It is an amenable number.

1024201217 is a deficient number, since it is larger than the sum of its proper divisors (78784723).

1024201217 is an equidigital number, since it uses as much as digits as its factorization.

1024201217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78784722.

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

The square root of 1024201217 is about 32003.1438611896. The cubic root of 1024201217 is about 1008.0028557831.

Adding to 1024201217 its reverse (7121024201), we get a palindrome (8145225418).

The spelling of 1024201217 in words is "one billion, twenty-four million, two hundred one thousand, two hundred seventeen".