1120921804800 has 1680 divisors, whose sum is σ = 4867048533600. Its totient is φ = 254910136320.

The previous prime is 1120921804787. The next prime is 1120921804811. The reversal of 1120921804800 is 84081290211.

It is a happy number.

1120921804800 is a `hidden beast` number, since 1 + 12 + 0 + 92 + 1 + 80 + 480 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 5689958302 + ... + 5689958498.

Almost surely, 2^{1120921804800} is an apocalyptic number.

1120921804800 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 1120921804800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433524266800).

1120921804800 is an abundant number, since it is smaller than the sum of its proper divisors (3746126728800).

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

1120921804800 is an frugal number, since it uses more digits than its factorization.

1120921804800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 1120921804800 in words is "one trillion, one hundred twenty billion, nine hundred twenty-one million, eight hundred four thousand, eight hundred".