121343115 has 8 divisors (see below), whose sum is σ = 194149008. Its totient is φ = 64716320.

The previous prime is 121343113. The next prime is 121343137. The reversal of 121343115 is 511343121.

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

It is not a de Polignac number, because 121343115 - 2¹ = 121343113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121343091 and 121343100.

It is not an unprimeable number, because it can be changed into a prime (121343111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044756 + ... + 4044785.

It is an arithmetic number, because the mean of its divisors is an integer number (24268626).

Almost surely, 2^121343115 is an apocalyptic number.

121343115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121343115 is a deficient number, since it is larger than the sum of its proper divisors (72805893).

121343115 is an equidigital number, since it uses as much as digits as its factorization.

121343115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089549.

The product of its digits is 360, while the sum is 21.

The square root of 121343115 is about 11015.5850956724. The cubic root of 121343115 is about 495.0758173838.

Adding to 121343115 its reverse (511343121), we get a palindrome (632686236).

The spelling of 121343115 in words is "one hundred twenty-one million, three hundred forty-three thousand, one hundred fifteen".