121413331 has 8 divisors (see below), whose sum is σ = 130845680. Its totient is φ = 111994272.

The previous prime is 121413323. The next prime is 121413359. The reversal of 121413331 is 133314121.

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

It is not a de Polignac number, because 121413331 - 2³ = 121413323 is a prime.

It is a super-3 number, since 3×121413331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121413299 and 121413308.

It is not an unprimeable number, because it can be changed into a prime (121413311) 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 7 ways as a sum of consecutive naturals, for example, 24076 + ... + 28678.

It is an arithmetic number, because the mean of its divisors is an integer number (16355710).

Almost surely, 2^121413331 is an apocalyptic number.

121413331 is a deficient number, since it is larger than the sum of its proper divisors (9432349).

121413331 is a wasteful number, since it uses less digits than its factorization.

121413331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its digits is 216, while the sum is 19.

The square root of 121413331 is about 11018.7717555089. The cubic root of 121413331 is about 495.1712919412.

Adding to 121413331 its reverse (133314121), we get a palindrome (254727452).

The spelling of 121413331 in words is "one hundred twenty-one million, four hundred thirteen thousand, three hundred thirty-one".