121333805 has 8 divisors (see below), whose sum is σ = 145704192. Its totient is φ = 96997968.

The previous prime is 121333787. The next prime is 121333843. The reversal of 121333805 is 508333121.

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

It is a cyclic number.

It is not a de Polignac number, because 121333805 - 2⁶ = 121333741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 15578.

It is an arithmetic number, because the mean of its divisors is an integer number (18213024).

Almost surely, 2^121333805 is an apocalyptic number.

It is an amenable number.

121333805 is a deficient number, since it is larger than the sum of its proper divisors (24370387).

121333805 is a wasteful number, since it uses less digits than its factorization.

121333805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17275.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 121333805 is about 11015.1625044754. The cubic root of 121333805 is about 495.0631555646.

Adding to 121333805 its reverse (508333121), we get a palindrome (629666926).

The spelling of 121333805 in words is "one hundred twenty-one million, three hundred thirty-three thousand, eight hundred five".