109025112 has 64 divisors (see below), whose sum is σ = 314311680. Its totient is φ = 30868992.

The previous prime is 109025087. The next prime is 109025153. The reversal of 109025112 is 211520901.

It is a super-2 number, since 2×109025112² = 23772950093225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16113 + ... + 21855.

It is an arithmetic number, because the mean of its divisors is an integer number (4911120).

Almost surely, 2^109025112 is an apocalyptic number.

109025112 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 109025112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157155840).

109025112 is an abundant number, since it is smaller than the sum of its proper divisors (205286568).

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

109025112 is a wasteful number, since it uses less digits than its factorization.

109025112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 109025112 is about 10441.5090863342. The cubic root of 109025112 is about 477.7222992049.

The spelling of 109025112 in words is "one hundred nine million, twenty-five thousand, one hundred twelve".