1140288 has 28 divisors (see below), whose sum is σ = 3017520. Its totient is φ = 380032.

The previous prime is 1140281. The next prime is 1140289. The reversal of 1140288 is 8820411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1140281) 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, 2778 + ... + 3161.

2^1140288 is an apocalyptic number.

It is an amenable number.

1140288 is an abundant number, since it is smaller than the sum of its proper divisors (1877232).

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

1140288 is an equidigital number, since it uses as much as digits as its factorization.

1140288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1140288 is about 1067.8426850431. The cubic root of 1140288 is about 104.4731889430.

Adding to 1140288 its reverse (8820411), we get a palindrome (9960699).

The spelling of 1140288 in words is "one million, one hundred forty thousand, two hundred eighty-eight".