1118303 has 2 divisors, whose sum is σ = 1118304. Its totient is φ = 1118302.

The previous prime is 1118291. The next prime is 1118309. The reversal of 1118303 is 3038111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3038111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1118303 - 2¹⁰ = 1117279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559151 + 559152.

It is an arithmetic number, because the mean of its divisors is an integer number (559152).

2^1118303 is an apocalyptic number.

1118303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118303 is an equidigital number, since it uses as much as digits as its factorization.

1118303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1118303 is about 1057.4984633559. The cubic root of 1118303 is about 103.7974051522.

The spelling of 1118303 in words is "one million, one hundred eighteen thousand, three hundred three".