1320630748 has 12 divisors (see below), whose sum is σ = 2350275480. Its totient is φ = 649123472.

The previous prime is 1320630713. The next prime is 1320630763. The reversal of 1320630748 is 8470360231.

It is a happy number.

It is a congruent number.

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, 2797711 + ... + 2798182.

It is an arithmetic number, because the mean of its divisors is an integer number (195856290).

Almost surely, 2^1320630748 is an apocalyptic number.

It is an amenable number.

1320630748 is a deficient number, since it is larger than the sum of its proper divisors (1029644732).

1320630748 is a wasteful number, since it uses less digits than its factorization.

1320630748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595956 (or 5595954 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1320630748 is about 36340.4835961218. The cubic root of 1320630748 is about 1097.1360064399.

Adding to 1320630748 its reverse (8470360231), we get a palindrome (9790990979).

The spelling of 1320630748 in words is "one billion, three hundred twenty million, six hundred thirty thousand, seven hundred forty-eight".