121304200 has 24 divisors (see below), whose sum is σ = 282032730. Its totient is φ = 48521600.

The previous prime is 121304179. The next prime is 121304201. The reversal of 121304200 is 2403121.

It can be written as a sum of positive squares in 3 ways, for example, as 46758244 + 74545956 = 6838^2 + 8634^2 .

It is not an unprimeable number, because it can be changed into a prime (121304201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303061 + ... + 303460.

Almost surely, 2^121304200 is an apocalyptic number.

121304200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121304200 is an abundant number, since it is smaller than the sum of its proper divisors (160728530).

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

121304200 is a wasteful number, since it uses less digits than its factorization.

121304200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606537 (or 606528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121304200 is about 11013.8185930221. The cubic root of 121304200 is about 495.0228877626.

Adding to 121304200 its reverse (2403121), we get a palindrome (123707321).

The spelling of 121304200 in words is "one hundred twenty-one million, three hundred four thousand, two hundred".