121333329 has 16 divisors (see below), whose sum is σ = 193580800. Its totient is φ = 74666448.

The previous prime is 121333327. The next prime is 121333337. The reversal of 121333329 is 923333121.

121333329 is a `hidden beast` number, since 1 + 2 + 1 + 333 + 329 = 666.

It is not a de Polignac number, because 121333329 - 2¹ = 121333327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172489 + ... + 173190.

It is an arithmetic number, because the mean of its divisors is an integer number (12098800).

Almost surely, 2^121333329 is an apocalyptic number.

It is an amenable number.

121333329 is a deficient number, since it is larger than the sum of its proper divisors (72247471).

121333329 is a wasteful number, since it uses less digits than its factorization.

121333329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345701 (or 345695 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 121333329 is about 11015.1408978733. The cubic root of 121333329 is about 495.0625081760.

The spelling of 121333329 in words is "one hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-nine".