1103279 has 2 divisors, whose sum is σ = 1103280. Its totient is φ = 1103278.

The previous prime is 1103257. The next prime is 1103281. The reversal of 1103279 is 9723011.

It is a strong prime.

It is an emirp because it is prime and its reverse (9723011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103279 is a prime.

It is a Sophie Germain prime.

Together with 1103281, 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 (1103579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551639 + 551640.

It is an arithmetic number, because the mean of its divisors is an integer number (551640).

2^1103279 is an apocalyptic number.

1103279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103279 is an equidigital number, since it uses as much as digits as its factorization.

1103279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1103279 is about 1050.3708868776. The cubic root of 1103279 is about 103.3304809017.

It can be divided in two parts, 11032 and 79, that added together give a palindrome (11111).

The spelling of 1103279 in words is "one million, one hundred three thousand, two hundred seventy-nine".