1023204 has 48 divisors (see below), whose sum is σ = 2941568. Its totient is φ = 269568.

The previous prime is 1023203. The next prime is 1023221. The reversal of 1023204 is 4023201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1023204.

It is not an unprimeable number, because it can be changed into a prime (1023203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624 + ... + 1560.

2^1023204 is an apocalyptic number.

1023204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470784).

1023204 is an abundant number, since it is smaller than the sum of its proper divisors (1918364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023204 is a wasteful number, since it uses less digits than its factorization.

1023204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1023204 is about 1011.5354665062. The cubic root of 1023204 is about 100.7675601079.

Adding to 1023204 its reverse (4023201), we get a palindrome (5046405).

The spelling of 1023204 in words is "one million, twenty-three thousand, two hundred four".