121304 has 16 divisors (see below), whose sum is σ = 232200. Its totient is φ = 59392.

The previous prime is 121291. The next prime is 121309. The reversal of 121304 is 403121.

It is a happy number.

121304 is nontrivially palindromic in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121309) 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, 344 + ... + 600.

2¹²¹³⁰⁴ is an apocalyptic number.

It is an amenable number.

121304 is a deficient number, since it is larger than the sum of its proper divisors (110896).

121304 is a wasteful number, since it uses less digits than its factorization.

121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121304 is about 348.2872377794. The cubic root of 121304 is about 49.5022615706.

Adding to 121304 its reverse (403121), we get a palindrome (524425).

The spelling of 121304 in words is "one hundred twenty-one thousand, three hundred four", and thus it is an iban number.