1208320000 has 160 divisors (see below), whose sum is σ = 3070970100. Its totient is φ = 475136000.

The previous prime is 1208319967. The next prime is 1208320013. The reversal of 1208320000 is 238021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20479971 + ... + 20480029.

Almost surely, 2^1208320000 is an apocalyptic number.

1208320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535485050).

1208320000 is an abundant number, since it is smaller than the sum of its proper divisors (1862650100).

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

1208320000 is an frugal number, since it uses more digits than its factorization.

1208320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 66 counting only the distinct ones).

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

The square root of 1208320000 is about 34760.8975718407. The cubic root of 1208320000 is about 1065.1088370627.

Adding to 1208320000 its reverse (238021), we get a palindrome (1208558021).

The spelling of 1208320000 in words is "one billion, two hundred eight million, three hundred twenty thousand".