1332321120 has 144 divisors (see below), whose sum is σ = 4896348912. Its totient is φ = 327951360.

The previous prime is 1332321083. The next prime is 1332321139. The reversal of 1332321120 is 211232331.

1332321120 is a `hidden beast` number, since 1 + 332 + 321 + 12 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1332321093 and 1332321102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16866 + ... + 54305.

It is an arithmetic number, because the mean of its divisors is an integer number (34002423).

Almost surely, 2^1332321120 is an apocalyptic number.

1332321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332321120 is an abundant number, since it is smaller than the sum of its proper divisors (3564027792).

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

1332321120 is a wasteful number, since it uses less digits than its factorization.

1332321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71205 (or 71194 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1332321120 is about 36500.9742335735. The cubic root of 1332321120 is about 1100.3638245555.

Adding to 1332321120 its reverse (211232331), we get a palindrome (1543553451).

It can be divided in two parts, 13323 and 21120, that added together give a palindrome (34443).

The spelling of 1332321120 in words is "one billion, three hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty".