1341321120 has 144 divisors (see below), whose sum is σ = 4746924000. Its totient is φ = 357675264.

The previous prime is 1341321067. The next prime is 1341321133. The reversal of 1341321120 is 211231431.

1341321120 is a `hidden beast` number, since 1 + 341 + 321 + 1 + 2 + 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 = 1341321093 and 1341321102.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21631 + ... + 56129.

It is an arithmetic number, because the mean of its divisors is an integer number (32964750).

Almost surely, 2^1341321120 is an apocalyptic number.

1341321120 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 1341321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373462000).

1341321120 is an abundant number, since it is smaller than the sum of its proper divisors (3405602880).

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

1341321120 is an equidigital number, since it uses as much as digits as its factorization.

1341321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34529 (or 34509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1341321120 is about 36624.0511139879. The cubic root of 1341321120 is about 1102.8359659152.

Adding to 1341321120 its reverse (211231431), we get a palindrome (1552552551).

The spelling of 1341321120 in words is "one billion, three hundred forty-one million, three hundred twenty-one thousand, one hundred twenty".