109520256 has 128 divisors (see below), whose sum is σ = 324604800. Its totient is φ = 32514048.

The previous prime is 109520251. The next prime is 109520291. The reversal of 109520256 is 652025901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109520251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123591 + ... + 124473.

It is an arithmetic number, because the mean of its divisors is an integer number (2535975).

Almost surely, 2^109520256 is an apocalyptic number.

109520256 is a gapful number since it is divisible by the number (16) 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 109520256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162302400).

109520256 is an abundant number, since it is smaller than the sum of its proper divisors (215084544).

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

109520256 is a wasteful number, since it uses less digits than its factorization.

109520256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 109520256 is about 10465.1925925900. The cubic root of 109520256 is about 478.4444085053. Note that the first 4 decimals are identical.

The spelling of 109520256 in words is "one hundred nine million, five hundred twenty thousand, two hundred fifty-six".