1106839 has 2 divisors, whose sum is σ = 1106840. Its totient is φ = 1106838.

The previous prime is 1106837. The next prime is 1106851. The reversal of 1106839 is 9386011.

1106839 = 427² + 428² + ... + 432².

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1106839 - 2¹ = 1106837 is a prime.

Together with 1106837, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106837) 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, 553419 + 553420.

It is an arithmetic number, because the mean of its divisors is an integer number (553420).

2^1106839 is an apocalyptic number.

1106839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106839 is an equidigital number, since it uses as much as digits as its factorization.

1106839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1106839 is about 1052.0641615415. The cubic root of 1106839 is about 103.4415019460.

The spelling of 1106839 in words is "one million, one hundred six thousand, eight hundred thirty-nine".