1140466 has 4 divisors (see below), whose sum is σ = 1710702. Its totient is φ = 570232.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140466 is 6640411.

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

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 6241 = 1065^2 + 79^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1140463) 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 as a sum of consecutive naturals, namely, 285115 + ... + 285118.

2^1140466 is an apocalyptic number.

1140466 is a deficient number, since it is larger than the sum of its proper divisors (570236).

1140466 is an equidigital number, since it uses as much as digits as its factorization.

1140466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570235.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1140466 is about 1067.9260274008. The cubic root of 1140466 is about 104.4786247803.

Adding to 1140466 its reverse (6640411), we get a palindrome (7780877).

Subtracting 1140466 from its reverse (6640411), we obtain a palindrome (5499945).

The spelling of 1140466 in words is "one million, one hundred forty thousand, four hundred sixty-six".