1123224252 has 12 divisors (see below), whose sum is σ = 2620856616. Its totient is φ = 374408080.

The previous prime is 1123224173. The next prime is 1123224253. The reversal of 1123224252 is 2524223211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123224253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46800999 + ... + 46801022.

It is an arithmetic number, because the mean of its divisors is an integer number (218404718).

Almost surely, 2^1123224252 is an apocalyptic number.

1123224252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123224252 is an abundant number, since it is smaller than the sum of its proper divisors (1497632364).

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

1123224252 is a wasteful number, since it uses less digits than its factorization.

1123224252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93602028 (or 93602026 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1123224252 is about 33514.5379201325. The cubic root of 1123224252 is about 1039.4944078477.

Adding to 1123224252 its reverse (2524223211), we get a palindrome (3647447463).

The spelling of 1123224252 in words is "one billion, one hundred twenty-three million, two hundred twenty-four thousand, two hundred fifty-two".