1123244681 has 8 divisors (see below), whose sum is σ = 1235385984. Its totient is φ = 1014780240.

The previous prime is 1123244627. The next prime is 1123244693. The reversal of 1123244681 is 1864423211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123244681 - 2³⁰ = 49502857 is a prime.

It is a super-2 number, since 2×1123244681² = 2523357226789583522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123244611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918575 + ... + 919796.

It is an arithmetic number, because the mean of its divisors is an integer number (154423248).

Almost surely, 2^1123244681 is an apocalyptic number.

It is an amenable number.

1123244681 is a deficient number, since it is larger than the sum of its proper divisors (112141303).

1123244681 is a wasteful number, since it uses less digits than its factorization.

1123244681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838431.

The product of its digits is 9216, while the sum is 32.

The square root of 1123244681 is about 33514.8426969306. The cubic root of 1123244681 is about 1039.5007098550.

Adding to 1123244681 its reverse (1864423211), we get a palindrome (2987667892).

The spelling of 1123244681 in words is "one billion, one hundred twenty-three million, two hundred forty-four thousand, six hundred eighty-one".