1118773 has 2 divisors, whose sum is σ = 1118774. Its totient is φ = 1118772.

The previous prime is 1118749. The next prime is 1118779. The reversal of 1118773 is 3778111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 154449 = 982^2 + 393^2 .

It is an emirp because it is prime and its reverse (3778111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1118773 - 2⁹ = 1118261 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559386 + 559387.

It is an arithmetic number, because the mean of its divisors is an integer number (559387).

2^1118773 is an apocalyptic number.

It is an amenable number.

1118773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118773 is an equidigital number, since it uses as much as digits as its factorization.

1118773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 28.

The square root of 1118773 is about 1057.7206625570. The cubic root of 1118773 is about 103.8119444281.

It can be divided in two parts, 1118 and 773, that added together give a triangular number (1891 = T₆₁).

The spelling of 1118773 in words is "one million, one hundred eighteen thousand, seven hundred seventy-three".