1244036 has 6 divisors (see below), whose sum is σ = 2177070. Its totient is φ = 622016.

The previous prime is 1244029. The next prime is 1244039. The reversal of 1244036 is 6304421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 244036 = 1000^2 + 494^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1243999 and 1244017.

It is not an unprimeable number, because it can be changed into a prime (1244039) 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, 155501 + ... + 155508.

It is an arithmetic number, because the mean of its divisors is an integer number (362845).

2^1244036 is an apocalyptic number.

It is an amenable number.

1244036 is a deficient number, since it is larger than the sum of its proper divisors (933034).

1244036 is a wasteful number, since it uses less digits than its factorization.

1244036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311013 (or 311011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1244036 is about 1115.3636178395. The cubic root of 1244036 is about 107.5501406622.

Adding to 1244036 its reverse (6304421), we get a palindrome (7548457).

The spelling of 1244036 in words is "one million, two hundred forty-four thousand, thirty-six".