1144378 has 8 divisors (see below), whose sum is σ = 1740960. Its totient is φ = 564060.

The previous prime is 1144357. The next prime is 1144379. The reversal of 1144378 is 8734411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1144379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (217620).

2^1144378 is an apocalyptic number.

1144378 is a deficient number, since it is larger than the sum of its proper divisors (596582).

1144378 is an equidigital number, since it uses as much as digits as its factorization.

1144378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132.

The product of its digits is 2688, while the sum is 28.

The square root of 1144378 is about 1069.7560469565. The cubic root of 1144378 is about 104.5979485015.

Adding to 1144378 its reverse (8734411), we get a palindrome (9878789).

The spelling of 1144378 in words is "one million, one hundred forty-four thousand, three hundred seventy-eight".