1123452412 has 12 divisors (see below), whose sum is σ = 2081691360. Its totient is φ = 528683456.

The previous prime is 1123452397. The next prime is 1123452413. The reversal of 1123452412 is 2142543211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123452413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8260612 + ... + 8260747.

It is an arithmetic number, because the mean of its divisors is an integer number (173474280).

Almost surely, 2^1123452412 is an apocalyptic number.

It is an amenable number.

1123452412 is a deficient number, since it is larger than the sum of its proper divisors (958238948).

1123452412 is a wasteful number, since it uses less digits than its factorization.

1123452412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16521380 (or 16521378 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1123452412 is about 33517.9416432453. The cubic root of 1123452412 is about 1039.5647870816.

Adding to 1123452412 its reverse (2142543211), we get a palindrome (3265995623).

The spelling of 1123452412 in words is "one billion, one hundred twenty-three million, four hundred fifty-two thousand, four hundred twelve".