107821116 has 36 divisors (see below), whose sum is σ = 293514312. Its totient is φ = 33175584.

The previous prime is 107821111. The next prime is 107821127. The reversal of 107821116 is 611128701.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 107821116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107821111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114726 + ... + 115661.

Almost surely, 2^107821116 is an apocalyptic number.

It is an amenable number.

107821116 is an abundant number, since it is smaller than the sum of its proper divisors (185693196).

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

107821116 is a wasteful number, since it uses less digits than its factorization.

107821116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230410 (or 230405 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 107821116 is about 10383.6947181627. The cubic root of 107821116 is about 475.9572437645.

Adding to 107821116 its reverse (611128701), we get a palindrome (718949817).

The spelling of 107821116 in words is "one hundred seven million, eight hundred twenty-one thousand, one hundred sixteen".