109255272 has 32 divisors (see below), whose sum is σ = 312158400. Its totient is φ = 31215744.

The previous prime is 109255261. The next prime is 109255309. The reversal of 109255272 is 272552901.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 324997 + ... + 325332.

It is an arithmetic number, because the mean of its divisors is an integer number (9754950).

Almost surely, 2^109255272 is an apocalyptic number.

109255272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109255272 is an abundant number, since it is smaller than the sum of its proper divisors (202903128).

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

109255272 is a wasteful number, since it uses less digits than its factorization.

109255272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650345 (or 650341 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 109255272 is about 10452.5246711022. The cubic root of 109255272 is about 478.0582318487.

The spelling of 109255272 in words is "one hundred nine million, two hundred fifty-five thousand, two hundred seventy-two".