1108539 has 8 divisors (see below), whose sum is σ = 1642320. Its totient is φ = 739008.

The previous prime is 1108537. The next prime is 1108543. The reversal of 1108539 is 9358011.

It is not a de Polignac number, because 1108539 - 2¹ = 1108537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 41057 = 1108539 / (1 + 1 + 0 + 8 + 5 + 3 + 9).

1108539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1108537) 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 7 ways as a sum of consecutive naturals, for example, 20502 + ... + 20555.

It is an arithmetic number, because the mean of its divisors is an integer number (205290).

2^1108539 is an apocalyptic number.

1108539 is a deficient number, since it is larger than the sum of its proper divisors (533781).

1108539 is an equidigital number, since it uses as much as digits as its factorization.

1108539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41066 (or 41060 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1108539 is about 1052.8717870662. The cubic root of 1108539 is about 103.4944336431.

It can be divided in two parts, 110 and 8539, that added together give a square (8649 = 93²).

The spelling of 1108539 in words is "one million, one hundred eight thousand, five hundred thirty-nine".