1119109 has 2 divisors, whose sum is σ = 1119110. Its totient is φ = 1119108.

The previous prime is 1119091. The next prime is 1119121. The reversal of 1119109 is 9019111.

Together with previous prime (1119091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 6084 = 1055^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119109 - 2⁵ = 1119077 is a prime.

It is equal to p₈₇₁₁₅ and since 1119109 and 87115 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1119109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559554 + 559555.

It is an arithmetic number, because the mean of its divisors is an integer number (559555).

2^1119109 is an apocalyptic number.

It is an amenable number.

1119109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119109 is an equidigital number, since it uses as much as digits as its factorization.

1119109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1119109 is about 1057.8794827389. The cubic root of 1119109 is about 103.8223359677.

The spelling of 1119109 in words is "one million, one hundred nineteen thousand, one hundred nine".