1320343029 has 36 divisors (see below), whose sum is σ = 2032153344. Its totient is φ = 825916032.

The previous prime is 1320343027. The next prime is 1320343033. The reversal of 1320343029 is 9203430231.

It is a happy number.

1320343029 is a `hidden beast` number, since 1 + 3 + 203 + 430 + 29 = 666.

It is not a de Polignac number, because 1320343029 - 2¹ = 1320343027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320342993 and 1320343011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320343021) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1214124 + ... + 1215210.

It is an arithmetic number, because the mean of its divisors is an integer number (56448704).

Almost surely, 2^1320343029 is an apocalyptic number.

It is an amenable number.

1320343029 is a deficient number, since it is larger than the sum of its proper divisors (711810315).

1320343029 is a wasteful number, since it uses less digits than its factorization.

1320343029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1320343029 is about 36336.5247237542. The cubic root of 1320343029 is about 1097.0563248680.

The spelling of 1320343029 in words is "one billion, three hundred twenty million, three hundred forty-three thousand, twenty-nine".