1118801 has 4 divisors (see below), whose sum is σ = 1137204. Its totient is φ = 1100400.

The previous prime is 1118797. The next prime is 1118807. The reversal of 1118801 is 1088111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1088111 = 19 ⋅57269.

It can be written as a sum of positive squares in 2 ways, for example, as 70225 + 1048576 = 265^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118801 - 2² = 1118797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9110 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (284301).

2^1118801 is an apocalyptic number.

It is an amenable number.

1118801 is a deficient number, since it is larger than the sum of its proper divisors (18403).

1118801 is an equidigital number, since it uses as much as digits as its factorization.

1118801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18402.

The product of its (nonzero) digits is 64, while the sum is 20.

The square root of 1118801 is about 1057.7338984830. The cubic root of 1118801 is about 103.8128104692.

The spelling of 1118801 in words is "one million, one hundred eighteen thousand, eight hundred one".