1320799148 has 12 divisors (see below), whose sum is σ = 2320609032. Its totient is φ = 657768000.

The previous prime is 1320799141. The next prime is 1320799153. The reversal of 1320799148 is 8419970231.

It is a junction number, because it is equal to n+sod(n) for n = 1320799099 and 1320799108.

It is not an unprimeable number, because it can be changed into a prime (1320799141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656765 + ... + 658772.

It is an arithmetic number, because the mean of its divisors is an integer number (193384086).

Almost surely, 2^1320799148 is an apocalyptic number.

It is an amenable number.

1320799148 is a deficient number, since it is larger than the sum of its proper divisors (999809884).

1320799148 is a wasteful number, since it uses less digits than its factorization.

1320799148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315792 (or 1315790 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1320799148 is about 36342.8004974851. The cubic root of 1320799148 is about 1097.1826381602.

The spelling of 1320799148 in words is "one billion, three hundred twenty million, seven hundred ninety-nine thousand, one hundred forty-eight".