121303329 has 16 divisors (see below), whose sum is σ = 185010048. Its totient is φ = 69253632.

The previous prime is 121303327. The next prime is 121303331. The reversal of 121303329 is 923303121.

It is an interprime number because it is at equal distance from previous prime (121303327) and next prime (121303331).

It is not a de Polignac number, because 121303329 - 2¹ = 121303327 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121303299 and 121303308.

It is not an unprimeable number, because it can be changed into a prime (121303321) 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, 31729 + ... + 35345.

It is an arithmetic number, because the mean of its divisors is an integer number (11563128).

Almost surely, 2^121303329 is an apocalyptic number.

It is an amenable number.

121303329 is a deficient number, since it is larger than the sum of its proper divisors (63706719).

121303329 is a wasteful number, since it uses less digits than its factorization.

121303329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 121303329 is about 11013.7790517152. The cubic root of 121303329 is about 495.0217029562.

The spelling of 121303329 in words is "one hundred twenty-one million, three hundred three thousand, three hundred twenty-nine".