1304420130 has 96 divisors (see below), whose sum is σ = 3664939824. Its totient is φ = 319984128.

The previous prime is 1304420123. The next prime is 1304420177. The reversal of 1304420130 is 310244031.

It can be written as a sum of positive squares in 8 ways, for example, as 341621289 + 962798841 = 18483^2 + 31029^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369132 + ... + 372648.

Almost surely, 2^1304420130 is an apocalyptic number.

1304420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304420130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832469912).

1304420130 is an abundant number, since it is smaller than the sum of its proper divisors (2360519694).

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

1304420130 is a wasteful number, since it uses less digits than its factorization.

1304420130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304420130 is about 36116.7569142081. The cubic root of 1304420130 is about 1092.6284321012.

Adding to 1304420130 its reverse (310244031), we get a palindrome (1614664161).

The spelling of 1304420130 in words is "one billion, three hundred four million, four hundred twenty thousand, one hundred thirty".