109256112 has 120 divisors (see below), whose sum is σ = 351596544. Its totient is φ = 31024512.

The previous prime is 109256111. The next prime is 109256113. The reversal of 109256112 is 211652901.

109256112 is a `hidden beast` number, since 1 + 0 + 92 + 561 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (109256111) and next prime (109256113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109256111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285073 + ... + 285455.

Almost surely, 2^109256112 is an apocalyptic number.

109256112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109256112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175798272).

109256112 is an abundant number, since it is smaller than the sum of its proper divisors (242340432).

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

109256112 is a wasteful number, since it uses less digits than its factorization.

109256112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 109256112 is about 10452.5648527048. The cubic root of 109256112 is about 478.0594570158.

The spelling of 109256112 in words is "one hundred nine million, two hundred fifty-six thousand, one hundred twelve".