1320788348 has 48 divisors (see below), whose sum is σ = 2579418240. Its totient is φ = 586699200.

The previous prime is 1320788347. The next prime is 1320788351. The reversal of 1320788348 is 8438870231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1320788299 and 1320788308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320788347) 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 15 ways as a sum of consecutive naturals, for example, 435983 + ... + 439001.

It is an arithmetic number, because the mean of its divisors is an integer number (53737880).

Almost surely, 2^1320788348 is an apocalyptic number.

It is an amenable number.

1320788348 is a deficient number, since it is larger than the sum of its proper divisors (1258629892).

1320788348 is a wasteful number, since it uses less digits than its factorization.

1320788348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 1320788348 is about 36342.6519120441. The cubic root of 1320788348 is about 1097.1796476462.

The spelling of 1320788348 in words is "one billion, three hundred twenty million, seven hundred eighty-eight thousand, three hundred forty-eight".