121846267987 has 8 divisors (see below), whose sum is σ = 128548762560. Its totient is φ = 115172726760.

The previous prime is 121846267937. The next prime is 121846268029. The reversal of 121846267987 is 789762648121.

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 121846267987 - 2¹⁵ = 121846235219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121846267927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229689 + ... + 7246522.

It is an arithmetic number, because the mean of its divisors is an integer number (16068595320).

Almost surely, 2^121846267987 is an apocalyptic number.

121846267987 is a deficient number, since it is larger than the sum of its proper divisors (6702494573).

121846267987 is a wasteful number, since it uses less digits than its factorization.

121846267987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476673.

The product of its digits is 16257024, while the sum is 61.

The spelling of 121846267987 in words is "one hundred twenty-one billion, eight hundred forty-six million, two hundred sixty-seven thousand, nine hundred eighty-seven".