1118208 has 104 divisors (see below), whose sum is σ = 3669568. Its totient is φ = 294912.

The previous prime is 1118203. The next prime is 1118219. The reversal of 1118208 is 8028111.

It is a tau number, because it is divible by the number of its divisors (104).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 8 and base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1118203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86010 + ... + 86022.

2^1118208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834784).

1118208 is an abundant number, since it is smaller than the sum of its proper divisors (2551360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118208 is an equidigital number, since it uses as much as digits as its factorization.

1118208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1118208 is about 1057.4535450789. The cubic root of 1118208 is about 103.7944658675.

Subtracting 1118208 from its reverse (8028111), we obtain a triangular number (6909903 = T₃₇₁₇).

It can be divided in two parts, 1118 and 208, that added together give a triangular number (1326 = T₅₁).

The spelling of 1118208 in words is "one million, one hundred eighteen thousand, two hundred eight".