1103779 has 2 divisors, whose sum is σ = 1103780. Its totient is φ = 1103778.

The previous prime is 1103749. The next prime is 1103797. The reversal of 1103779 is 9773011.

It is a happy number.

Together with next prime (1103797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103749) 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, 551889 + 551890.

It is an arithmetic number, because the mean of its divisors is an integer number (551890).

2^1103779 is an apocalyptic number.

1103779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103779 is an equidigital number, since it uses as much as digits as its factorization.

1103779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 1103779 is about 1050.6088710838. The cubic root of 1103779 is about 103.3460881469.

The spelling of 1103779 in words is "one million, one hundred three thousand, seven hundred seventy-nine".