121208339 has 8 divisors (see below), whose sum is σ = 138842880. Its totient is φ = 103653576.

The previous prime is 121208291. The next prime is 121208363. The reversal of 121208339 is 933802121.

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 121208339 - 2⁸ = 121208083 is a prime.

It is a super-2 number, since 2×121208339² = 29382922886277842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121208389) 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, 16649 + ... + 22794.

It is an arithmetic number, because the mean of its divisors is an integer number (17355360).

Almost surely, 2^121208339 is an apocalyptic number.

121208339 is a deficient number, since it is larger than the sum of its proper divisors (17634541).

121208339 is an equidigital number, since it uses as much as digits as its factorization.

121208339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39889.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 121208339 is about 11009.4658816856. The cubic root of 121208339 is about 494.8924556352.

The spelling of 121208339 in words is "one hundred twenty-one million, two hundred eight thousand, three hundred thirty-nine".