121424315 has 8 divisors (see below), whose sum is σ = 146229408. Its totient is φ = 96792640.

The previous prime is 121424297. The next prime is 121424357. The reversal of 121424315 is 513424121.

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

It is not a de Polignac number, because 121424315 - 2¹² = 121420219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 41807 + ... + 44616.

It is an arithmetic number, because the mean of its divisors is an integer number (18278676).

Almost surely, 2^121424315 is an apocalyptic number.

121424315 is a deficient number, since it is larger than the sum of its proper divisors (24805093).

121424315 is an equidigital number, since it uses as much as digits as its factorization.

121424315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86709.

The product of its digits is 960, while the sum is 23.

The square root of 121424315 is about 11019.2701663949. The cubic root of 121424315 is about 495.1862238476.

Adding to 121424315 its reverse (513424121), we get a palindrome (634848436).

The spelling of 121424315 in words is "one hundred twenty-one million, four hundred twenty-four thousand, three hundred fifteen".