1243036 has 12 divisors (see below), whose sum is σ = 2196040. Its totient is φ = 615600.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243036 is 6303421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990 + ... + 1861.

2^1243036 is an apocalyptic number.

It is an amenable number.

1243036 is a deficient number, since it is larger than the sum of its proper divisors (953004).

1243036 is a wasteful number, since it uses less digits than its factorization.

1243036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1243036 is about 1114.9152434154. The cubic root of 1243036 is about 107.5213154055.

Adding to 1243036 its reverse (6303421), we get a palindrome (7546457).

It can be divided in two parts, 124 and 3036, that added together give a triangular number (3160 = T₇₉).

The spelling of 1243036 in words is "one million, two hundred forty-three thousand, thirty-six".