121889046239 has 8 divisors (see below), whose sum is σ = 125648720640. Its totient is φ = 118153865376.

The previous prime is 121889046217. The next prime is 121889046271. The reversal of 121889046239 is 932640988121.

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 121889046239 - 2⁸ = 121889045983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121889042239) 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, 6113279 + ... + 6133184.

It is an arithmetic number, because the mean of its divisors is an integer number (15706090080).

Almost surely, 2^121889046239 is an apocalyptic number.

121889046239 is a deficient number, since it is larger than the sum of its proper divisors (3759674401).

121889046239 is a wasteful number, since it uses less digits than its factorization.

121889046239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246769.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 121889046239 in words is "one hundred twenty-one billion, eight hundred eighty-nine million, forty-six thousand, two hundred thirty-nine".