1120109 has 2 divisors, whose sum is σ = 1120110.
Its totient is φ = 1120108.
The previous prime is 1120087. The next prime is 1120121. The reversal of 1120109 is 9010211.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1044484 + 75625 = 1022^2 + 275^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1120109 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1120093 and 1120102.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1120159) 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 as a sum of consecutive naturals, namely, 560054 + 560055.
It is an arithmetic number, because the mean of its divisors is an integer number (560055).
21120109 is an apocalyptic number.
It is an amenable number.
1120109 is a deficient number, since it is larger than the sum of its proper divisors (1).
1120109 is an equidigital number, since it uses as much as digits as its factorization.
1120109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18, while the sum is 14.
The square root of 1120109 is about 1058.3520208324.
The cubic root of 1120109 is about 103.8532508674.
The spelling of 1120109 in words is "one million, one hundred twenty thousand, one hundred nine".