109755 has 20 divisors (see below), whose sum is σ = 197472. Its totient is φ = 58320.

The previous prime is 109751. The next prime is 109789. The reversal of 109755 is 557901.

It is not a de Polignac number, because 109755 - 2² = 109751 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (109751) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 270 + ... + 540.

2¹⁰⁹⁷⁵⁵ is an apocalyptic number.

109755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109755 is a deficient number, since it is larger than the sum of its proper divisors (87717).

109755 is an equidigital number, since it uses as much as digits as its factorization.

109755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 109755 is about 331.2929217475. The cubic root of 109755 is about 47.8785994653.

The spelling of 109755 in words is "one hundred nine thousand, seven hundred fifty-five".