109481112 has 128 divisors (see below), whose sum is σ = 331161600. Its totient is φ = 33312384.

The previous prime is 109481107. The next prime is 109481131. The reversal of 109481112 is 211184901.

It is a super-2 number, since 2×109481112² = 23972227769513088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 356463 + ... + 356769.

It is an arithmetic number, because the mean of its divisors is an integer number (2587200).

Almost surely, 2^109481112 is an apocalyptic number.

109481112 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 109481112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165580800).

109481112 is an abundant number, since it is smaller than the sum of its proper divisors (221680488).

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

109481112 is a wasteful number, since it uses less digits than its factorization.

109481112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 109481112 is about 10463.3222257560. The cubic root of 109481112 is about 478.3874009090.

The spelling of 109481112 in words is "one hundred nine million, four hundred eighty-one thousand, one hundred twelve".