1108111 has 4 divisors (see below), whose sum is σ = 1173312. Its totient is φ = 1042912.

The previous prime is 1108103. The next prime is 1108123. The reversal of 1108111 is 1118011.

1108111 = T₈₅₈ + T₈₅₉ + T₈₆₀.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1108111 - 2³ = 1108103 is a prime.

It is a Duffinian number.

1108111 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1108091 and 1108100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32575 + ... + 32608.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

2^1108111 is an apocalyptic number.

1108111 is the 860-th centered triangular number.

1108111 is a deficient number, since it is larger than the sum of its proper divisors (65201).

1108111 is an equidigital number, since it uses as much as digits as its factorization.

1108111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65200.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 1108111 is about 1052.6685138257. The cubic root of 1108111 is about 103.4811124099.

The spelling of 1108111 in words is "one million, one hundred eight thousand, one hundred eleven".