1320004546 has 32 divisors (see below), whose sum is σ = 2371783680. Its totient is φ = 538706256.

The previous prime is 1320004529. The next prime is 1320004561. The reversal of 1320004546 is 6454000231.

It is a super-2 number, since 2×1320004546² = 3484824002921332232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320004546.

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 15 ways as a sum of consecutive naturals, for example, 64065 + ... + 82123.

It is an arithmetic number, because the mean of its divisors is an integer number (74118240).

Almost surely, 2^1320004546 is an apocalyptic number.

1320004546 is a deficient number, since it is larger than the sum of its proper divisors (1051779134).

1320004546 is a wasteful number, since it uses less digits than its factorization.

1320004546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1320004546 is about 36331.8668113820. The cubic root of 1320004546 is about 1096.9625697745.

Adding to 1320004546 its reverse (6454000231), we get a palindrome (7774004777).

The spelling of 1320004546 in words is "one billion, three hundred twenty million, four thousand, five hundred forty-six".