121200910 has 8 divisors (see below), whose sum is σ = 218161656. Its totient is φ = 48480360.

The previous prime is 121200907. The next prime is 121200941. The reversal of 121200910 is 19002121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060036 + ... + 6060055.

It is an arithmetic number, because the mean of its divisors is an integer number (27270207).

Almost surely, 2^121200910 is an apocalyptic number.

121200910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200910 is a deficient number, since it is larger than the sum of its proper divisors (96960746).

121200910 is a wasteful number, since it uses less digits than its factorization.

121200910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120098.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 121200910 is about 11009.1284850346. The cubic root of 121200910 is about 494.8823445840.

The spelling of 121200910 in words is "one hundred twenty-one million, two hundred thousand, nine hundred ten".