1304420032 has 28 divisors (see below), whose sum is σ = 2619655416. Its totient is φ = 644349440.

The previous prime is 1304420027. The next prime is 1304420057. The reversal of 1304420032 is 2300244031.

It is a junction number, because it is equal to n+sod(n) for n = 1304419991 and 1304420009.

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 3 ways as a sum of consecutive naturals, for example, 117469 + ... + 128092.

It is an arithmetic number, because the mean of its divisors is an integer number (93559122).

Almost surely, 2^1304420032 is an apocalyptic number.

It is an amenable number.

1304420032 is an abundant number, since it is smaller than the sum of its proper divisors (1315235384).

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

1304420032 is an equidigital number, since it uses as much as digits as its factorization.

1304420032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245656 (or 245646 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1304420032 is about 36116.7555574971. The cubic root of 1304420032 is about 1092.6284047384.

Adding to 1304420032 its reverse (2300244031), we get a palindrome (3604664063).

The spelling of 1304420032 in words is "one billion, three hundred four million, four hundred twenty thousand, thirty-two".