1123364225 has 12 divisors (see below), whose sum is σ = 1397115564. Its totient is φ = 896017920.

The previous prime is 1123364191. The next prime is 1123364237. The reversal of 1123364225 is 5224633211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2989441 + 1120374784 = 1729^2 + 33472^2 .

It is not a de Polignac number, because 1123364225 - 2⁶ = 1123364161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58244 + ... + 75093.

It is an arithmetic number, because the mean of its divisors is an integer number (116426297).

Almost surely, 2^1123364225 is an apocalyptic number.

It is an amenable number.

1123364225 is a deficient number, since it is larger than the sum of its proper divisors (273751339).

1123364225 is a wasteful number, since it uses less digits than its factorization.

1123364225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133684 (or 133679 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1123364225 is about 33516.6260981024. The cubic root of 1123364225 is about 1039.5375856628.

Adding to 1123364225 its reverse (5224633211), we get a palindrome (6347997436).

The spelling of 1123364225 in words is "one billion, one hundred twenty-three million, three hundred sixty-four thousand, two hundred twenty-five".