1200664396 has 24 divisors (see below), whose sum is σ = 2140488000. Its totient is φ = 589131984.

The previous prime is 1200664373. The next prime is 1200664411. The reversal of 1200664396 is 6934660021.

It is a happy number.

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, 141975 + ... + 150193.

It is an arithmetic number, because the mean of its divisors is an integer number (89187000).

Almost surely, 2^1200664396 is an apocalyptic number.

It is an amenable number.

1200664396 is a deficient number, since it is larger than the sum of its proper divisors (939823604).

1200664396 is a wasteful number, since it uses less digits than its factorization.

1200664396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901 (or 8899 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1200664396 is about 34650.6045546106. The cubic root of 1200664396 is about 1062.8546513611.

The spelling of 1200664396 in words is "one billion, two hundred million, six hundred sixty-four thousand, three hundred ninety-six".