1321199068 has 24 divisors (see below), whose sum is σ = 2643629184. Its totient is φ = 565964400.

The previous prime is 1321199053. The next prime is 1321199083. The reversal of 1321199068 is 8609911231.

It is an interprime number because it is at equal distance from previous prime (1321199053) and next prime (1321199083).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1321199068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57723 + ... + 77293.

It is an arithmetic number, because the mean of its divisors is an integer number (110151216).

Almost surely, 2^1321199068 is an apocalyptic number.

It is an amenable number.

1321199068 is an abundant number, since it is smaller than the sum of its proper divisors (1322430116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321199068 is a wasteful number, since it uses less digits than its factorization.

1321199068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21993 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1321199068 is about 36348.3021336623. The cubic root of 1321199068 is about 1097.2933643072.

The spelling of 1321199068 in words is "one billion, three hundred twenty-one million, one hundred ninety-nine thousand, sixty-eight".