109255872 has 168 divisors, whose sum is σ = 336864960. Its totient is φ = 30986240.

The previous prime is 109255837. The next prime is 109255897. The reversal of 109255872 is 278552901.

It is a self number, because there is not a number n which added to its sum of digits gives 109255872.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610279 + ... + 610457.

Almost surely, 2^109255872 is an apocalyptic number.

109255872 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 109255872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168432480).

109255872 is an abundant number, since it is smaller than the sum of its proper divisors (227609088).

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

109255872 is a wasteful number, since it uses less digits than its factorization.

109255872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 109255872 is about 10452.5533722627. The cubic root of 109255872 is about 478.0591069687.

The spelling of 109255872 in words is "one hundred nine million, two hundred fifty-five thousand, eight hundred seventy-two".