1216088 has 16 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 599200.

The previous prime is 1216087. The next prime is 1216091. The reversal of 1216088 is 8806121.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (144585).

2^1216088 is an apocalyptic number.

It is an amenable number.

1216088 is a deficient number, since it is larger than the sum of its proper divisors (1097272).

1216088 is a wasteful number, since it uses less digits than its factorization.

1216088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2214 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1216088 is about 1102.7638006391. The cubic root of 1216088 is about 106.7386406603.

The spelling of 1216088 in words is "one million, two hundred sixteen thousand, eighty-eight".