109827 has 6 divisors (see below), whose sum is σ = 158652. Its totient is φ = 73212.

The previous prime is 109819. The next prime is 109829. The reversal of 109827 is 728901.

It is not a de Polignac number, because 109827 - 2³ = 109819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109827.

It is not an unprimeable number, because it can be changed into a prime (109829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6093 + ... + 6110.

It is an arithmetic number, because the mean of its divisors is an integer number (26442).

2¹⁰⁹⁸²⁷ is an apocalyptic number.

109827 is a deficient number, since it is larger than the sum of its proper divisors (48825).

109827 is a wasteful number, since it uses less digits than its factorization.

109827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209 (or 12206 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 109827 is about 331.4015690971. The cubic root of 109827 is about 47.8890667352.

It can be divided in two parts, 1098 and 27, that multiplied together give a triangular number (29646 = T₂₄₃).

The spelling of 109827 in words is "one hundred nine thousand, eight hundred twenty-seven".