1123124013 has 24 divisors (see below), whose sum is σ = 1774040736. Its totient is φ = 679039200.

The previous prime is 1123124003. The next prime is 1123124021. The reversal of 1123124013 is 3104213211.

It is not a de Polignac number, because 1123124013 - 2⁴ = 1123123997 is a prime.

It is a super-3 number, since 3×1123124013³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123124003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28206 + ... + 55152.

It is an arithmetic number, because the mean of its divisors is an integer number (73918364).

Almost surely, 2^1123124013 is an apocalyptic number.

It is an amenable number.

1123124013 is a deficient number, since it is larger than the sum of its proper divisors (650916723).

1123124013 is a wasteful number, since it uses less digits than its factorization.

1123124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27385 (or 27382 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1123124013 is about 33513.0424312685. The cubic root of 1123124013 is about 1039.4634846729.

Adding to 1123124013 its reverse (3104213211), we get a palindrome (4227337224).

The spelling of 1123124013 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, thirteen".