1330604421 has 8 divisors (see below), whose sum is σ = 1779082560. Its totient is φ = 884597952.

The previous prime is 1330604383. The next prime is 1330604449. The reversal of 1330604421 is 1244060331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330604421 - 2⁹ = 1330603909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1330604391 and 1330604400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330604461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 616660 + ... + 618813.

It is an arithmetic number, because the mean of its divisors is an integer number (222385320).

Almost surely, 2^1330604421 is an apocalyptic number.

It is an amenable number.

1330604421 is a deficient number, since it is larger than the sum of its proper divisors (448478139).

1330604421 is a wasteful number, since it uses less digits than its factorization.

1330604421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235835.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1330604421 is about 36477.4508566594. The cubic root of 1330604421 is about 1099.8910142711.

Adding to 1330604421 its reverse (1244060331), we get a palindrome (2574664752).

The spelling of 1330604421 in words is "one billion, three hundred thirty million, six hundred four thousand, four hundred twenty-one".