1123171424 has 24 divisors (see below), whose sum is σ = 2219420448. Its totient is φ = 559509120.

The previous prime is 1123171393. The next prime is 1123171429. The reversal of 1123171424 is 4241713211.

It is a junction number, because it is equal to n+sod(n) for n = 1123171393 and 1123171402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123171429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56087 + ... + 73430.

It is an arithmetic number, because the mean of its divisors is an integer number (92475852).

Almost surely, 2^1123171424 is an apocalyptic number.

It is an amenable number.

1123171424 is a deficient number, since it is larger than the sum of its proper divisors (1096249024).

1123171424 is a wasteful number, since it uses less digits than its factorization.

1123171424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129798 (or 129790 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1123171424 is about 33513.7497752788. The cubic root of 1123171424 is about 1039.4781109324.

Adding to 1123171424 its reverse (4241713211), we get a palindrome (5364884635).

The spelling of 1123171424 in words is "one billion, one hundred twenty-three million, one hundred seventy-one thousand, four hundred twenty-four".