1243204 has 6 divisors (see below), whose sum is σ = 2175614. Its totient is φ = 621600.

The previous prime is 1243181. The next prime is 1243211. The reversal of 1243204 is 4023421.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 161604 = 1040^2 + 402^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155397 + ... + 155404.

2^1243204 is an apocalyptic number.

It is an amenable number.

1243204 is a deficient number, since it is larger than the sum of its proper divisors (932410).

1243204 is a wasteful number, since it uses less digits than its factorization.

1243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310805 (or 310803 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1243204 is about 1114.9905829199. The cubic root of 1243204 is about 107.5261591288.

Adding to 1243204 its reverse (4023421), we get a palindrome (5266625).

The spelling of 1243204 in words is "one million, two hundred forty-three thousand, two hundred four".