121333307 has 4 divisors (see below), whose sum is σ = 121360920. Its totient is φ = 121305696.

The previous prime is 121333253. The next prime is 121333313. The reversal of 121333307 is 703333121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121333307 - 2⁶ = 121333243 is a prime.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (30340230).

Almost surely, 2^121333307 is an apocalyptic number.

121333307 is a deficient number, since it is larger than the sum of its proper divisors (27613).

121333307 is an equidigital number, since it uses as much as digits as its factorization.

121333307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27612.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 121333307 is about 11015.1398992478. The cubic root of 121333307 is about 495.0624782546.

Adding to 121333307 its reverse (703333121), we get a palindrome (824666428).

The spelling of 121333307 in words is "one hundred twenty-one million, three hundred thirty-three thousand, three hundred seven".