1223204 has 12 divisors (see below), whose sum is σ = 2149644. Its totient is φ = 609024.

The previous prime is 1223203. The next prime is 1223207. The reversal of 1223204 is 4023221.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 719104 = 710^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (1223203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (179137).

2^1223204 is an apocalyptic number.

It is an amenable number.

1223204 is a deficient number, since it is larger than the sum of its proper divisors (926440).

1223204 is a wasteful number, since it uses less digits than its factorization.

1223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1223204 is about 1105.9855333593. The cubic root of 1223204 is about 106.9464313918.

Adding to 1223204 its reverse (4023221), we get a palindrome (5246425).

The spelling of 1223204 in words is "one million, two hundred twenty-three thousand, two hundred four".