1200113224 has 8 divisors (see below), whose sum is σ = 2250212310. Its totient is φ = 600056608.

The previous prime is 1200113221. The next prime is 1200113231. The reversal of 1200113224 is 4223110021.

It can be written as a sum of positive squares in only one way, i.e., 1148532100 + 51581124 = 33890^2 + 7182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1200113198 and 1200113207.

It is not an unprimeable number, because it can be changed into a prime (1200113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75007069 + ... + 75007084.

Almost surely, 2^1200113224 is an apocalyptic number.

It is an amenable number.

1200113224 is a deficient number, since it is larger than the sum of its proper divisors (1050099086).

1200113224 is a wasteful number, since it uses less digits than its factorization.

1200113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150014159 (or 150014155 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200113224 is about 34642.6503605022. The cubic root of 1200113224 is about 1062.6919899242.

Adding to 1200113224 its reverse (4223110021), we get a palindrome (5423223245).

The spelling of 1200113224 in words is "one billion, two hundred million, one hundred thirteen thousand, two hundred twenty-four".