1241234563 has 16 divisors (see below), whose sum is σ = 1282634496. Its totient is φ = 1200719520.

The previous prime is 1241234521. The next prime is 1241234569. The reversal of 1241234563 is 3654321421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241234563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241234569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903345 + ... + 904717.

It is an arithmetic number, because the mean of its divisors is an integer number (80164656).

Almost surely, 2^1241234563 is an apocalyptic number.

1241234563 is a deficient number, since it is larger than the sum of its proper divisors (41399933).

1241234563 is a wasteful number, since it uses less digits than its factorization.

1241234563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 17280, while the sum is 31.

The square root of 1241234563 is about 35231.1589789493. The cubic root of 1241234563 is about 1074.6934948779.

Adding to 1241234563 its reverse (3654321421), we get a palindrome (4895555984).

The spelling of 1241234563 in words is "one billion, two hundred forty-one million, two hundred thirty-four thousand, five hundred sixty-three".