1304030532 has 72 divisors (see below), whose sum is σ = 3545482080. Its totient is φ = 371952000.

The previous prime is 1304030521. The next prime is 1304030551. The reversal of 1304030532 is 2350304031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1304030499 and 1304030508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433032 + ... + 436032.

Almost surely, 2^1304030532 is an apocalyptic number.

1304030532 is a gapful number since it is divisible by the number (12) 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 1304030532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772741040).

1304030532 is an abundant number, since it is smaller than the sum of its proper divisors (2241451548).

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

1304030532 is a wasteful number, since it uses less digits than its factorization.

1304030532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1304030532 is about 36111.3629208314. The cubic root of 1304030532 is about 1092.5196409150.

Adding to 1304030532 its reverse (2350304031), we get a palindrome (3654334563).

The spelling of 1304030532 in words is "one billion, three hundred four million, thirty thousand, five hundred thirty-two".