121834239 has 8 divisors (see below), whose sum is σ = 162550320. Its totient is φ = 81170496.

The previous prime is 121834217. The next prime is 121834241. The reversal of 121834239 is 932438121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121834239 - 2⁸ = 121833983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121834259) 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, 7284 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (20318790).

Almost surely, 2^121834239 is an apocalyptic number.

121834239 is a deficient number, since it is larger than the sum of its proper divisors (40716081).

121834239 is a wasteful number, since it uses less digits than its factorization.

121834239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169.

The product of its digits is 10368, while the sum is 33.

The square root of 121834239 is about 11037.8548187589. The cubic root of 121834239 is about 495.7428414070.

The spelling of 121834239 in words is "one hundred twenty-one million, eight hundred thirty-four thousand, two hundred thirty-nine".