1243364 has 12 divisors (see below), whose sum is σ = 2190384. Its totient is φ = 617544.

The previous prime is 1243349. The next prime is 1243367. The reversal of 1243364 is 4633421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1243367) 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, 302 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (182532).

2^1243364 is an apocalyptic number.

It is an amenable number.

1243364 is a deficient number, since it is larger than the sum of its proper divisors (947020).

1243364 is a wasteful number, since it uses less digits than its factorization.

1243364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2072 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 1243364 is about 1115.0623300964. The cubic root of 1243364 is about 107.5307717929.

Adding to 1243364 its reverse (4633421), we get a palindrome (5876785).

The spelling of 1243364 in words is "one million, two hundred forty-three thousand, three hundred sixty-four".