1218614268 has 12 divisors (see below), whose sum is σ = 2843433320. Its totient is φ = 406204752.

The previous prime is 1218614237. The next prime is 1218614297. The reversal of 1218614268 is 8624168121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50775583 + ... + 50775606.

Almost surely, 2^1218614268 is an apocalyptic number.

It is an amenable number.

1218614268 is an abundant number, since it is smaller than the sum of its proper divisors (1624819052).

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

1218614268 is a wasteful number, since it uses less digits than its factorization.

1218614268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101551196 (or 101551194 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 1218614268 is about 34908.6560612121. The cubic root of 1218614268 is about 1068.1250151740.

The spelling of 1218614268 in words is "one billion, two hundred eighteen million, six hundred fourteen thousand, two hundred sixty-eight".