121341515 has 8 divisors (see below), whose sum is σ = 146757120. Its totient is φ = 96308352.

The previous prime is 121341503. The next prime is 121341523. The reversal of 121341515 is 515143121.

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

It is a cyclic number.

It is not a de Polignac number, because 121341515 - 2⁴ = 121341499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94910 + ... + 96179.

It is an arithmetic number, because the mean of its divisors is an integer number (18344640).

Almost surely, 2^121341515 is an apocalyptic number.

121341515 is a deficient number, since it is larger than the sum of its proper divisors (25415605).

121341515 is a wasteful number, since it uses less digits than its factorization.

121341515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191221.

The product of its digits is 600, while the sum is 23.

The square root of 121341515 is about 11015.5124710564. The cubic root of 121341515 is about 495.0736413922.

Adding to 121341515 its reverse (515143121), we get a palindrome (636484636).

The spelling of 121341515 in words is "one hundred twenty-one million, three hundred forty-one thousand, five hundred fifteen".