121984541294 has 32 divisors (see below), whose sum is σ = 230258992896. Its totient is φ = 47082265920.

The previous prime is 121984541213. The next prime is 121984541303. The reversal of 121984541294 is 492145489121.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684959 + ... + 3717914.

It is an arithmetic number, because the mean of its divisors is an integer number (7195593528).

Almost surely, 2^121984541294 is an apocalyptic number.

121984541294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121984541294 is a deficient number, since it is larger than the sum of its proper divisors (108274451602).

121984541294 is a wasteful number, since it uses less digits than its factorization.

121984541294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403000.

The product of its digits is 829440, while the sum is 50.

The spelling of 121984541294 in words is "one hundred twenty-one billion, nine hundred eighty-four million, five hundred forty-one thousand, two hundred ninety-four".