121839622 has 8 divisors (see below), whose sum is σ = 182831976. Its totient is φ = 60895632.

The previous prime is 121839617. The next prime is 121839623. The reversal of 121839622 is 226938121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121839623) 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, 4948 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (22853997).

Almost surely, 2^121839622 is an apocalyptic number.

121839622 is a deficient number, since it is larger than the sum of its proper divisors (60992354).

121839622 is a wasteful number, since it uses less digits than its factorization.

121839622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24182.

The product of its digits is 10368, while the sum is 34.

The square root of 121839622 is about 11038.0986587365. The cubic root of 121839622 is about 495.7501424318.

The spelling of 121839622 in words is "one hundred twenty-one million, eight hundred thirty-nine thousand, six hundred twenty-two".