109456 has 10 divisors (see below), whose sum is σ = 212102. Its totient is φ = 54720.

The previous prime is 109453. The next prime is 109469. The reversal of 109456 is 654901.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 7056 = 320^2 + 84^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 109456.

It is not an unprimeable number, because it can be changed into a prime (109451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405 + ... + 3436.

2¹⁰⁹⁴⁵⁶ is an apocalyptic number.

109456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109456 is a deficient number, since it is larger than the sum of its proper divisors (102646).

109456 is an equidigital number, since it uses as much as digits as its factorization.

109456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 109456 is about 330.8413517080. The cubic root of 109456 is about 47.8350821744.

It can be divided in two parts, 109 and 456, that added together give a palindrome (565).

The spelling of 109456 in words is "one hundred nine thousand, four hundred fifty-six".