1320998068 has 12 divisors (see below), whose sum is σ = 2489573380. Its totient is φ = 609691392.

The previous prime is 1320998051. The next prime is 1320998069. The reversal of 1320998068 is 8608990231.

It can be written as a sum of positive squares in 2 ways, for example, as 903122704 + 417875364 = 30052^2 + 20442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320998069) 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 3 ways as a sum of consecutive naturals, for example, 12701853 + ... + 12701956.

Almost surely, 2^1320998068 is an apocalyptic number.

It is an amenable number.

1320998068 is a deficient number, since it is larger than the sum of its proper divisors (1168575312).

1320998068 is a wasteful number, since it uses less digits than its factorization.

1320998068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25403826 (or 25403824 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1320998068 is about 36345.5371125534. The cubic root of 1320998068 is about 1097.2377160815.

The spelling of 1320998068 in words is "one billion, three hundred twenty million, nine hundred ninety-eight thousand, sixty-eight".