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1204 = 22743

1204 has 12 divisors (see below), whose sum is σ = 2464. Its totient is φ = 504.

The previous prime is 1201. The next prime is 1213. The reversal of 1204 is 4021.

1204 is nontrivially palindromic in base 16.

1204 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (7).

1204 is an undulating number in base 16.

It is a plaindrome in base 9.

It is a nialpdrome in base 12, base 14 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7 + ... + 49.

1204 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 1204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232).

1204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1204 is a wasteful number, since it uses less digits than its factorization.

1204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1204 is about 34.6987031458. The cubic root of 1204 is about 10.6383799143.

Adding to 1204 its reverse (4021), we get a palindrome (5225).

The spelling of 1204 in words is "one thousand, two hundred four", and thus it is an iban number.

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204