121841200 has 60 divisors (see below), whose sum is σ = 315254128. Its totient is φ = 44985600.

The previous prime is 121841177. The next prime is 121841201. The reversal of 121841200 is 2148121.

It is a happy number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (121841201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6516 + ... + 16915.

Almost surely, 2^121841200 is an apocalyptic number.

121841200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121841200 is an abundant number, since it is smaller than the sum of its proper divisors (193412928).

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

121841200 is a wasteful number, since it uses less digits than its factorization.

121841200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23462 (or 23451 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 121841200 is about 11038.1701382068. The cubic root of 121841200 is about 495.7522826506.

Adding to 121841200 its reverse (2148121), we get a palindrome (123989321).

The spelling of 121841200 in words is "one hundred twenty-one million, eight hundred forty-one thousand, two hundred".