1123224205 has 16 divisors (see below), whose sum is σ = 1413863424. Its totient is φ = 854993920.

The previous prime is 1123224173. The next prime is 1123224253. The reversal of 1123224205 is 5024223211.

It is a happy number.

It is not a de Polignac number, because 1123224205 - 2⁵ = 1123224173 is a prime.

It is a super-2 number, since 2×1123224205² = 2523265229395764050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3604 + ... + 47533.

It is an arithmetic number, because the mean of its divisors is an integer number (88366464).

Almost surely, 2^1123224205 is an apocalyptic number.

It is an amenable number.

1123224205 is a deficient number, since it is larger than the sum of its proper divisors (290639219).

1123224205 is a wasteful number, since it uses less digits than its factorization.

1123224205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51356.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1123224205 is about 33514.5372189443. The cubic root of 1123224205 is about 1039.4943933489.

Adding to 1123224205 its reverse (5024223211), we get a palindrome (6147447416).

The spelling of 1123224205 in words is "one billion, one hundred twenty-three million, two hundred twenty-four thousand, two hundred five".