1101839 has 2 divisors, whose sum is σ = 1101840. Its totient is φ = 1101838.

The previous prime is 1101811. The next prime is 1101851. The reversal of 1101839 is 9381011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101839 - 2¹² = 1097743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550919 + 550920.

It is an arithmetic number, because the mean of its divisors is an integer number (550920).

2^1101839 is an apocalyptic number.

1101839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101839 is an equidigital number, since it uses as much as digits as its factorization.

1101839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1101839 is about 1049.6851909025. The cubic root of 1101839 is about 103.2855056731.

The spelling of 1101839 in words is "one million, one hundred one thousand, eight hundred thirty-nine".