1218667348 has 24 divisors (see below), whose sum is σ = 2216148480. Its totient is φ = 585671520.

The previous prime is 1218667301. The next prime is 1218667399. The reversal of 1218667348 is 8437668121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1218667298 and 1218667307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313 + ... + 49423.

It is an arithmetic number, because the mean of its divisors is an integer number (92339520).

Almost surely, 2^1218667348 is an apocalyptic number.

It is an amenable number.

1218667348 is a deficient number, since it is larger than the sum of its proper divisors (997481132).

1218667348 is a wasteful number, since it uses less digits than its factorization.

1218667348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47367 (or 47365 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 1218667348 is about 34909.4163228204. The cubic root of 1218667348 is about 1068.1405232950.

The spelling of 1218667348 in words is "one billion, two hundred eighteen million, six hundred sixty-seven thousand, three hundred forty-eight".