121126446544987 has 8 divisors (see below), whose sum is σ = 130444637513120. Its totient is φ = 111808365863040.

The previous prime is 121126446544913. The next prime is 121126446545003. The reversal of 121126446544987 is 789445644621121.

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 121126446544987 - 2¹⁵ = 121126446512219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121126446544787) 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, 25283439 + ... + 29690152.

It is an arithmetic number, because the mean of its divisors is an integer number (16305579689140).

Almost surely, 2^{121126446544987} is an apocalyptic number.

121126446544987 is a deficient number, since it is larger than the sum of its proper divisors (9318190968133).

121126446544987 is a wasteful number, since it uses less digits than its factorization.

121126446544987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55143093.

The product of its digits is 92897280, while the sum is 64.

The spelling of 121126446544987 in words is "one hundred twenty-one trillion, one hundred twenty-six billion, four hundred forty-six million, five hundred forty-four thousand, nine hundred eighty-seven".