1095839 has 2 divisors, whose sum is σ = 1095840. Its totient is φ = 1095838.

The previous prime is 1095833. The next prime is 1095841. The reversal of 1095839 is 9385901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1095839 - 2⁸ = 1095583 is a prime.

It is a super-2 number, since 2×1095839² = 2401726227842, which contains 22 as substring.

Together with 1095841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1095799 and 1095808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095833) 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, 547919 + 547920.

It is an arithmetic number, because the mean of its divisors is an integer number (547920).

2^1095839 is an apocalyptic number.

1095839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095839 is an equidigital number, since it uses as much as digits as its factorization.

1095839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1095839 is about 1046.8232897677. The cubic root of 1095839 is about 103.0976859403.

The spelling of 1095839 in words is "one million, ninety-five thousand, eight hundred thirty-nine".