1123124331 has 16 divisors (see below), whose sum is σ = 1712358144. Its totient is φ = 641436384.

The previous prime is 1123124287. The next prime is 1123124341. The reversal of 1123124331 is 1334213211.

It is not a de Polignac number, because 1123124331 - 2¹¹ = 1123122283 is a prime.

It is a super-2 number, since 2×1123124331² = 2522816525768395122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1123124298 and 1123124307.

It is not an unprimeable number, because it can be changed into a prime (1123124341) 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, 27880 + ... + 54986.

It is an arithmetic number, because the mean of its divisors is an integer number (107022384).

Almost surely, 2^1123124331 is an apocalyptic number.

1123124331 is a deficient number, since it is larger than the sum of its proper divisors (589233813).

1123124331 is a wasteful number, since it uses less digits than its factorization.

1123124331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090.

The product of its digits is 432, while the sum is 21.

The square root of 1123124331 is about 33513.0471756896. The cubic root of 1123124331 is about 1039.4635827770.

Adding to 1123124331 its reverse (1334213211), we get a palindrome (2457337542).

The spelling of 1123124331 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, three hundred thirty-one".