121004313 has 8 divisors (see below), whose sum is σ = 161410176. Its totient is φ = 80634000.

The previous prime is 121004309. The next prime is 121004329. The reversal of 121004313 is 313400121.

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

It is not a de Polignac number, because 121004313 - 2² = 121004309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121004292 and 121004301.

It is not an unprimeable number, because it can be changed into a prime (121004333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 463 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (20176272).

Almost surely, 2^121004313 is an apocalyptic number.

It is an amenable number.

121004313 is a deficient number, since it is larger than the sum of its proper divisors (40405863).

121004313 is a wasteful number, since it uses less digits than its factorization.

121004313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121004313 is about 11000.1960437076. The cubic root of 121004313 is about 494.6146209700.

Adding to 121004313 its reverse (313400121), we get a palindrome (434404434).

The spelling of 121004313 in words is "one hundred twenty-one million, four thousand, three hundred thirteen".