109271232 has 168 divisors, whose sum is σ = 367235232. Its totient is φ = 30412800.

The previous prime is 109271231. The next prime is 109271347. The reversal of 109271232 is 232172901.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 109271196 and 109271205.

It is not an unprimeable number, because it can be changed into a prime (109271231) 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, 164982 + ... + 165642.

It is an arithmetic number, because the mean of its divisors is an integer number (2185924).

Almost surely, 2^109271232 is an apocalyptic number.

109271232 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 109271232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183617616).

109271232 is an abundant number, since it is smaller than the sum of its proper divisors (257964000).

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

109271232 is a wasteful number, since it uses less digits than its factorization.

109271232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 109271232 is about 10453.2880951402. The cubic root of 109271232 is about 478.0815089494.

The spelling of 109271232 in words is "one hundred nine million, two hundred seventy-one thousand, two hundred thirty-two".