1118144 has 14 divisors (see below), whose sum is σ = 2218944. Its totient is φ = 559040.

The previous prime is 1118137. The next prime is 1118147. The reversal of 1118144 is 4418111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8672 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (158496).

2^1118144 is an apocalyptic number.

It is an amenable number.

1118144 is a deficient number, since it is larger than the sum of its proper divisors (1100800).

1118144 is an equidigital number, since it uses as much as digits as its factorization.

1118144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483 (or 17473 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The square root of 1118144 is about 1057.4232832693. The cubic root of 1118144 is about 103.7924856239.

The spelling of 1118144 in words is "one million, one hundred eighteen thousand, one hundred forty-four".