121340105 has 8 divisors (see below), whose sum is σ = 145809600. Its totient is φ = 96937776.

The previous prime is 121340083. The next prime is 121340117. The reversal of 121340105 is 501043121.

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 121340105 - 2⁸ = 121339849 is a prime.

It is a super-2 number, since 2×121340105² = 29446842162822050, which contains 22 as substring.

It is an unprimeable number.

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, 12725 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (18226200).

Almost surely, 2^121340105 is an apocalyptic number.

It is an amenable number.

121340105 is a deficient number, since it is larger than the sum of its proper divisors (24469495).

121340105 is an equidigital number, since it uses as much as digits as its factorization.

121340105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33583.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121340105 is about 11015.4484702167. The cubic root of 121340105 is about 495.0717237838.

Adding to 121340105 its reverse (501043121), we get a palindrome (622383226).

The spelling of 121340105 in words is "one hundred twenty-one million, three hundred forty thousand, one hundred five".