1200352446 has 64 divisors (see below), whose sum is σ = 2773738560. Its totient is φ = 389251008.

The previous prime is 1200352441. The next prime is 1200352453. The reversal of 1200352446 is 6442530021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200352441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158130 + ... + 165546.

It is an arithmetic number, because the mean of its divisors is an integer number (43339665).

Almost surely, 2^1200352446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200352446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386869280).

1200352446 is an abundant number, since it is smaller than the sum of its proper divisors (1573386114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200352446 is an frugal number, since it uses more digits than its factorization.

1200352446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477 (or 7459 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1200352446 is about 34646.1028977286. The cubic root of 1200352446 is about 1062.7625950440.

Adding to 1200352446 its reverse (6442530021), we get a palindrome (7642882467).

The spelling of 1200352446 in words is "one billion, two hundred million, three hundred fifty-two thousand, four hundred forty-six".