1440118 has 4 divisors (see below), whose sum is σ = 2160180. Its totient is φ = 720058.

The previous prime is 1440107. The next prime is 1440119. The reversal of 1440118 is 8110441.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1440095 and 1440104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360028 + ... + 360031.

It is an arithmetic number, because the mean of its divisors is an integer number (540045).

2^1440118 is an apocalyptic number.

1440118 is a deficient number, since it is larger than the sum of its proper divisors (720062).

1440118 is an equidigital number, since it uses as much as digits as its factorization.

1440118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720061.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1440118 is about 1200.0491656595. The cubic root of 1440118 is about 112.9274078885.

Adding to 1440118 its reverse (8110441), we get a palindrome (9550559).

The spelling of 1440118 in words is "one million, four hundred forty thousand, one hundred eighteen".