1123405224 has 32 divisors (see below), whose sum is σ = 2836326240. Its totient is φ = 370760000.

The previous prime is 1123405193. The next prime is 1123405319. The reversal of 1123405224 is 4225043211.

1123405224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1123405194 and 1123405203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229302 + ... + 234149.

It is an arithmetic number, because the mean of its divisors is an integer number (88635195).

Almost surely, 2^1123405224 is an apocalyptic number.

It is an amenable number.

1123405224 is an abundant number, since it is smaller than the sum of its proper divisors (1712921016).

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

1123405224 is a wasteful number, since it uses less digits than its factorization.

1123405224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463561 (or 463557 counting only the distinct ones).

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

The square root of 1123405224 is about 33517.2377143463. The cubic root of 1123405224 is about 1039.5502320459.

Adding to 1123405224 its reverse (4225043211), we get a palindrome (5348448435).

The spelling of 1123405224 in words is "one billion, one hundred twenty-three million, four hundred five thousand, two hundred twenty-four".