1120321000320 has 128 divisors (see below), whose sum is σ = 3624322458240. Its totient is φ = 294293243904.

The previous prime is 1120321000303. The next prime is 1120321000343. The reversal of 1120321000320 is 230001230211.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1120321000320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225842 + ... + 4483121.

It is an arithmetic number, because the mean of its divisors is an integer number (28315019205).

Almost surely, 2^{1120321000320} is an apocalyptic number.

1120321000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120321000320 is an abundant number, since it is smaller than the sum of its proper divisors (2504001457920).

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

1120321000320 is an equidigital number, since it uses as much as digits as its factorization.

1120321000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709052 (or 8709040 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1120321000320 its reverse (230001230211), we get a palindrome (1350322230531).

The spelling of 1120321000320 in words is "one trillion, one hundred twenty billion, three hundred twenty-one million, three hundred twenty", and thus it is an aban number.