1118893 has 2 divisors, whose sum is σ = 1118894. Its totient is φ = 1118892.

The previous prime is 1118869. The next prime is 1118911. The reversal of 1118893 is 3988111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 162409 = 978^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118893 - 2⁵ = 1118861 is a prime.

1118893 is a lucky number.

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 (1118863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559446 + 559447.

It is an arithmetic number, because the mean of its divisors is an integer number (559447).

2^1118893 is an apocalyptic number.

It is an amenable number.

1118893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118893 is an equidigital number, since it uses as much as digits as its factorization.

1118893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 31.

The square root of 1118893 is about 1057.7773867880. Note that the first 3 decimals coincide. The cubic root of 1118893 is about 103.8156559311.

The spelling of 1118893 in words is "one million, one hundred eighteen thousand, eight hundred ninety-three".