109281912 has 16 divisors (see below), whose sum is σ = 273204840. Its totient is φ = 36427296.

The previous prime is 109281911. The next prime is 109281923. The reversal of 109281912 is 219182901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109281911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276683 + ... + 2276730.

Almost surely, 2^109281912 is an apocalyptic number.

109281912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109281912 is an abundant number, since it is smaller than the sum of its proper divisors (163922928).

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

109281912 is a wasteful number, since it uses less digits than its factorization.

109281912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553422 (or 4553418 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 109281912 is about 10453.7989267060. The cubic root of 109281912 is about 478.0970840893.

The spelling of 109281912 in words is "one hundred nine million, two hundred eighty-one thousand, nine hundred twelve".