1123211424 has 24 divisors (see below), whose sum is σ = 2948430240. Its totient is φ = 374403776.

The previous prime is 1123211393. The next prime is 1123211473. The reversal of 1123211424 is 4241123211.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1123211424.

It is an unprimeable number.

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, 5849964 + ... + 5850155.

It is an arithmetic number, because the mean of its divisors is an integer number (122851260).

Almost surely, 2^1123211424 is an apocalyptic number.

It is an amenable number.

1123211424 is an abundant number, since it is smaller than the sum of its proper divisors (1825218816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123211424 is a wasteful number, since it uses less digits than its factorization.

1123211424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700132 (or 11700124 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1123211424 is about 33514.3465399521. The cubic root of 1123211424 is about 1039.4904505836.

Adding to 1123211424 its reverse (4241123211), we get a palindrome (5364334635).

The spelling of 1123211424 in words is "one billion, one hundred twenty-three million, two hundred eleven thousand, four hundred twenty-four".