109181472 has 48 divisors (see below), whose sum is σ = 293277600. Its totient is φ = 35546112.

The previous prime is 109181459. The next prime is 109181539. The reversal of 109181472 is 274181901.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 9097 + ... + 17352.

It is an arithmetic number, because the mean of its divisors is an integer number (6109950).

Almost surely, 2^109181472 is an apocalyptic number.

109181472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109181472 is an abundant number, since it is smaller than the sum of its proper divisors (184096128).

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

109181472 is a wasteful number, since it uses less digits than its factorization.

109181472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505 (or 26497 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 109181472 is about 10448.9938271587. The cubic root of 109181472 is about 477.9505676489.

The spelling of 109181472 in words is "one hundred nine million, one hundred eighty-one thousand, four hundred seventy-two".