1200664450 has 12 divisors (see below), whose sum is σ = 2233235970. Its totient is φ = 480265760.

The previous prime is 1200664433. The next prime is 1200664481. The reversal of 1200664450 is 544660021.

1200664450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 883218961 + 317445489 = 29719^2 + 17817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12006595 + ... + 12006694.

Almost surely, 2^1200664450 is an apocalyptic number.

1200664450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200664450 is a deficient number, since it is larger than the sum of its proper divisors (1032571520).

1200664450 is a wasteful number, since it uses less digits than its factorization.

1200664450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24013301 (or 24013296 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1200664450 is about 34650.6053338178. The cubic root of 1200664450 is about 1062.8546672951.

The spelling of 1200664450 in words is "one billion, two hundred million, six hundred sixty-four thousand, four hundred fifty".