1320753200 has 120 divisors (see below), whose sum is σ = 3430770000. Its totient is φ = 485729280.

The previous prime is 1320753197. The next prime is 1320753209. The reversal of 1320753200 is 23570231.

It is not an unprimeable number, because it can be changed into a prime (1320753209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2594546 + ... + 2595054.

It is an arithmetic number, because the mean of its divisors is an integer number (28589750).

Almost surely, 2^1320753200 is an apocalyptic number.

1320753200 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 1320753200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715385000).

1320753200 is an abundant number, since it is smaller than the sum of its proper divisors (2110016800).

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

1320753200 is a wasteful number, since it uses less digits than its factorization.

1320753200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1320753200 is about 36342.1683447755. The cubic root of 1320753200 is about 1097.1699150719.

The spelling of 1320753200 in words is "one billion, three hundred twenty million, seven hundred fifty-three thousand, two hundred".