121340735 has 4 divisors (see below), whose sum is σ = 145608888. Its totient is φ = 97072584.

The previous prime is 121340719. The next prime is 121340743. The reversal of 121340735 is 537043121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121340735 - 2⁴ = 121340719 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 12134069 + ... + 12134078.

It is an arithmetic number, because the mean of its divisors is an integer number (36402222).

Almost surely, 2^121340735 is an apocalyptic number.

121340735 is a deficient number, since it is larger than the sum of its proper divisors (24268153).

121340735 is an equidigital number, since it uses as much as digits as its factorization.

121340735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24268152.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 121340735 is about 11015.4770663826. The cubic root of 121340735 is about 495.0725805894.

Adding to 121340735 its reverse (537043121), we get a palindrome (658383856).

The spelling of 121340735 in words is "one hundred twenty-one million, three hundred forty thousand, seven hundred thirty-five".