121118800 has 60 divisors (see below), whose sum is σ = 317452896. Its totient is φ = 44041600.

The previous prime is 121118791. The next prime is 121118813. The reversal of 121118800 is 8811121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9364 + ... + 18163.

Almost surely, 2^121118800 is an apocalyptic number.

121118800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121118800 is an abundant number, since it is smaller than the sum of its proper divisors (196334096).

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

121118800 is a wasteful number, since it uses less digits than its factorization.

121118800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556 (or 27545 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 121118800 is about 11005.3986751957. The cubic root of 121118800 is about 494.7705633302.

Adding to 121118800 its reverse (8811121), we get a palindrome (129929921).

The spelling of 121118800 in words is "one hundred twenty-one million, one hundred eighteen thousand, eight hundred".