1304022120 has 64 divisors (see below), whose sum is σ = 4046976000. Its totient is φ = 335747328.

The previous prime is 1304022113. The next prime is 1304022121. The reversal of 1304022120 is 212204031.

1304022120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1304022120.

It is not an unprimeable number, because it can be changed into a prime (1304022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183880 + ... + 190839.

It is an arithmetic number, because the mean of its divisors is an integer number (63234000).

Almost surely, 2^1304022120 is an apocalyptic number.

1304022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304022120 is an abundant number, since it is smaller than the sum of its proper divisors (2742953880).

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

1304022120 is a wasteful number, since it uses less digits than its factorization.

1304022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374762 (or 374758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1304022120 is about 36111.2464476096. The cubic root of 1304022120 is about 1092.5172917126.

Adding to 1304022120 its reverse (212204031), we get a palindrome (1516226151).

The spelling of 1304022120 in words is "one billion, three hundred four million, twenty-two thousand, one hundred twenty".