1119091 has 2 divisors, whose sum is σ = 1119092. Its totient is φ = 1119090.

The previous prime is 1119077. The next prime is 1119109. The reversal of 1119091 is 1909111.

Together with next prime (1119109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1909111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1119091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1119691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559545 + 559546.

It is an arithmetic number, because the mean of its divisors is an integer number (559546).

2^1119091 is an apocalyptic number.

1119091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119091 is an equidigital number, since it uses as much as digits as its factorization.

1119091 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 1119091 is about 1057.8709751194. The cubic root of 1119091 is about 103.8217793308.

The spelling of 1119091 in words is "one million, one hundred nineteen thousand, ninety-one".