1320908600 has 72 divisors (see below), whose sum is σ = 3375747480. Its totient is φ = 480321600.

The previous prime is 1320908599. The next prime is 1320908609. The reversal of 1320908600 is 68090231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320908609) 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 17 ways as a sum of consecutive naturals, for example, 3092 + ... + 51491.

Almost surely, 2^1320908600 is an apocalyptic number.

1320908600 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 1320908600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687873740).

1320908600 is an abundant number, since it is smaller than the sum of its proper divisors (2054838880).

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

1320908600 is a wasteful number, since it uses less digits than its factorization.

1320908600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54621 (or 54601 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1320908600 is about 36344.3062941088. The cubic root of 1320908600 is about 1097.2129444378.

Adding to 1320908600 its reverse (68090231), we get a palindrome (1388998831).

The spelling of 1320908600 in words is "one billion, three hundred twenty million, nine hundred eight thousand, six hundred".