1241001217 has 4 divisors (see below), whose sum is σ = 1242326596. Its totient is φ = 1239675840.

The previous prime is 1241001197. The next prime is 1241001233. The reversal of 1241001217 is 7121001421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412943041 + 828058176 = 20321^2 + 28776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241001217 - 2²³ = 1232612609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241001194 and 1241001203.

It is not an unprimeable number, because it can be changed into a prime (1241001257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661284 + ... + 663157.

It is an arithmetic number, because the mean of its divisors is an integer number (310581649).

Almost surely, 2^1241001217 is an apocalyptic number.

It is an amenable number.

1241001217 is a deficient number, since it is larger than the sum of its proper divisors (1325379).

1241001217 is an equidigital number, since it uses as much as digits as its factorization.

1241001217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325378.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1241001217 is about 35227.8471808880. The cubic root of 1241001217 is about 1074.6261449581.

Adding to 1241001217 its reverse (7121001421), we get a palindrome (8362002638).

The spelling of 1241001217 in words is "one billion, two hundred forty-one million, one thousand, two hundred seventeen".