1219939068 has 24 divisors (see below), whose sum is σ = 2912723968. Its totient is φ = 397189296.

The previous prime is 1219939043. The next prime is 1219939069. The reversal of 1219939068 is 8609399121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219939069) 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 7 ways as a sum of consecutive naturals, for example, 1181596 + ... + 1182627.

Almost surely, 2^1219939068 is an apocalyptic number.

It is an amenable number.

1219939068 is an abundant number, since it is smaller than the sum of its proper divisors (1692784900).

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

1219939068 is a wasteful number, since it uses less digits than its factorization.

1219939068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364273 (or 2364271 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 1219939068 is about 34927.6261432122. The cubic root of 1219939068 is about 1068.5119408763.

The spelling of 1219939068 in words is "one billion, two hundred nineteen million, nine hundred thirty-nine thousand, sixty-eight".