1200664424 has 16 divisors (see below), whose sum is σ = 2251613700. Its totient is φ = 600234112.

The previous prime is 1200664411. The next prime is 1200664429. The reversal of 1200664424 is 4244660021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 969076900 + 231587524 = 31130^2 + 15218^2 .

It is not an unprimeable number, because it can be changed into a prime (1200664429) 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, 87332 + ... + 100140.

Almost surely, 2^1200664424 is an apocalyptic number.

It is an amenable number.

1200664424 is a deficient number, since it is larger than the sum of its proper divisors (1050949276).

1200664424 is a wasteful number, since it uses less digits than its factorization.

1200664424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24532 (or 24528 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1200664424 is about 34650.6049586439. The cubic root of 1200664424 is about 1062.8546596232.

The spelling of 1200664424 in words is "one billion, two hundred million, six hundred sixty-four thousand, four hundred twenty-four".