1236688116 has 12 divisors (see below), whose sum is σ = 2885605632. Its totient is φ = 412229368.

The previous prime is 1236688099. The next prime is 1236688217. The reversal of 1236688116 is 6118866321.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51528660 + ... + 51528683.

It is an arithmetic number, because the mean of its divisors is an integer number (240467136).

Almost surely, 2^1236688116 is an apocalyptic number.

It is an amenable number.

1236688116 is an abundant number, since it is smaller than the sum of its proper divisors (1648917516).

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

1236688116 is a wasteful number, since it uses less digits than its factorization.

1236688116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103057350 (or 103057348 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1236688116 is about 35166.5766886685. The cubic root of 1236688116 is about 1073.3797451308.

The spelling of 1236688116 in words is "one billion, two hundred thirty-six million, six hundred eighty-eight thousand, one hundred sixteen".