1124521663 has 4 divisors (see below), whose sum is σ = 1124743240. Its totient is φ = 1124300088.

The previous prime is 1124521639. The next prime is 1124521693. The reversal of 1124521663 is 3661254211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3661254211 = 2659 ⋅1376929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1124521663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124521633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102993 + ... + 113386.

It is an arithmetic number, because the mean of its divisors is an integer number (281185810).

Almost surely, 2^1124521663 is an apocalyptic number.

1124521663 is a deficient number, since it is larger than the sum of its proper divisors (221577).

1124521663 is an equidigital number, since it uses as much as digits as its factorization.

1124521663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221576.

The product of its digits is 8640, while the sum is 31.

The square root of 1124521663 is about 33533.8882773829. Note that the first 3 decimals coincide. The cubic root of 1124521663 is about 1039.8944860286.

Adding to 1124521663 its reverse (3661254211), we get a palindrome (4785775874).

The spelling of 1124521663 in words is "one billion, one hundred twenty-four million, five hundred twenty-one thousand, six hundred sixty-three".