121340329 has 4 divisors (see below), whose sum is σ = 132371280. Its totient is φ = 110309380.

The previous prime is 121340299. The next prime is 121340347. The reversal of 121340329 is 923043121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121340329 - 2⁷ = 121340201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121340369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5515459 + ... + 5515480.

It is an arithmetic number, because the mean of its divisors is an integer number (33092820).

Almost surely, 2^121340329 is an apocalyptic number.

It is an amenable number.

121340329 is a deficient number, since it is larger than the sum of its proper divisors (11030951).

121340329 is a wasteful number, since it uses less digits than its factorization.

121340329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030950.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 121340329 is about 11015.4586377509. The cubic root of 121340329 is about 495.0720284261.

The spelling of 121340329 in words is "one hundred twenty-one million, three hundred forty thousand, three hundred twenty-nine".