1216268 has 6 divisors (see below), whose sum is σ = 2128476. Its totient is φ = 608132.

The previous prime is 1216249. The next prime is 1216273. The reversal of 1216268 is 8626121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152030 + ... + 152037.

It is an arithmetic number, because the mean of its divisors is an integer number (354746).

2^1216268 is an apocalyptic number.

It is an amenable number.

1216268 is a deficient number, since it is larger than the sum of its proper divisors (912208).

1216268 is a wasteful number, since it uses less digits than its factorization.

1216268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304071 (or 304069 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1216268 is about 1102.8454107444. The cubic root of 1216268 is about 106.7439067286.

The spelling of 1216268 in words is "one million, two hundred sixteen thousand, two hundred sixty-eight".