1241430217 has 4 divisors (see below), whose sum is σ = 1241569296. Its totient is φ = 1241291140.

The previous prime is 1241430199. The next prime is 1241430241. The reversal of 1241430217 is 7120341421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7120341421 = 17 ⋅418843613.

It is a cyclic number.

It is not a de Polignac number, because 1241430217 - 2⁷ = 1241430089 is a prime.

It is a super-2 number, since 2×1241430217² = 3082297967361334178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241430191 and 1241430200.

It is not an unprimeable number, because it can be changed into a prime (1241430017) 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, 55159 + ... + 74332.

It is an arithmetic number, because the mean of its divisors is an integer number (310392324).

Almost surely, 2^1241430217 is an apocalyptic number.

It is an amenable number.

1241430217 is a deficient number, since it is larger than the sum of its proper divisors (139079).

1241430217 is an equidigital number, since it uses as much as digits as its factorization.

1241430217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139078.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1241430217 is about 35233.9355877256. The cubic root of 1241430217 is about 1074.7499593691.

Adding to 1241430217 its reverse (7120341421), we get a palindrome (8361771638).

It can be divided in two parts, 124 and 1430217, that added together give a palindrome (1430341).

The spelling of 1241430217 in words is "one billion, two hundred forty-one million, four hundred thirty thousand, two hundred seventeen".