107821112 has 32 divisors (see below), whose sum is σ = 231465600. Its totient is φ = 46125024.

The previous prime is 107821111. The next prime is 107821127. The reversal of 107821112 is 211128701.

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 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, 36839 + ... + 39657.

It is an arithmetic number, because the mean of its divisors is an integer number (7233300).

Almost surely, 2^107821112 is an apocalyptic number.

It is an amenable number.

107821112 is an abundant number, since it is smaller than the sum of its proper divisors (123644488).

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

107821112 is a wasteful number, since it uses less digits than its factorization.

107821112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 107821112 is about 10383.6945255530. The cubic root of 107821112 is about 475.9572378787.

Adding to 107821112 its reverse (211128701), we get a palindrome (318949813).

The spelling of 107821112 in words is "one hundred seven million, eight hundred twenty-one thousand, one hundred twelve".