1144366 has 4 divisors (see below), whose sum is σ = 1716552. Its totient is φ = 572182.

The previous prime is 1144357. The next prime is 1144379. The reversal of 1144366 is 6634411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6634411 = 7 ⋅947773.

It is a self number, because there is not a number n which added to its sum of digits gives 1144366.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 286090 + ... + 286093.

It is an arithmetic number, because the mean of its divisors is an integer number (429138).

2^1144366 is an apocalyptic number.

1144366 is a deficient number, since it is larger than the sum of its proper divisors (572186).

1144366 is an equidigital number, since it uses as much as digits as its factorization.

1144366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572185.

The product of its digits is 1728, while the sum is 25.

The square root of 1144366 is about 1069.7504381864. The cubic root of 1144366 is about 104.5975828939.

Adding to 1144366 its reverse (6634411), we get a palindrome (7778777).

The spelling of 1144366 in words is "one million, one hundred forty-four thousand, three hundred sixty-six".