121340435 has 8 divisors (see below), whose sum is σ = 146945040. Its totient is φ = 96181344.

The previous prime is 121340423. The next prime is 121340473. The reversal of 121340435 is 534043121.

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 121340435 - 2¹⁴ = 121324051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121340435.

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, 110777 + ... + 111866.

It is an arithmetic number, because the mean of its divisors is an integer number (18368130).

Almost surely, 2^121340435 is an apocalyptic number.

121340435 is a deficient number, since it is larger than the sum of its proper divisors (25604605).

121340435 is a wasteful number, since it uses less digits than its factorization.

121340435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222757.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 121340435 is about 11015.4634491700. The cubic root of 121340435 is about 495.0721725871.

Adding to 121340435 its reverse (534043121), we get a palindrome (655383556).

The spelling of 121340435 in words is "one hundred twenty-one million, three hundred forty thousand, four hundred thirty-five".