1102109 has 4 divisors (see below), whose sum is σ = 1108380. Its totient is φ = 1095840.

The previous prime is 1102069. The next prime is 1102111. The reversal of 1102109 is 9012011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96100 + 1006009 = 310^2 + 1003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102093 and 1102102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102159) 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, 2864 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (277095).

2^1102109 is an apocalyptic number.

It is an amenable number.

1102109 is a deficient number, since it is larger than the sum of its proper divisors (6271).

1102109 is an equidigital number, since it uses as much as digits as its factorization.

1102109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1102109 is about 1049.8137930128. The cubic root of 1102109 is about 103.2939415121.

The spelling of 1102109 in words is "one million, one hundred two thousand, one hundred nine".