121836108761774 has 8 divisors (see below), whose sum is σ = 199368177973848. Its totient is φ = 55380049437160.

The previous prime is 121836108761753. The next prime is 121836108761791. The reversal of 121836108761774 is 477167801638121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769002471837 + ... + 2769002471880.

It is an arithmetic number, because the mean of its divisors is an integer number (24921022246731).

Almost surely, 2^{121836108761774} is an apocalyptic number.

121836108761774 is a deficient number, since it is larger than the sum of its proper divisors (77532069212074).

121836108761774 is a wasteful number, since it uses less digits than its factorization.

121836108761774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538004943730.

The product of its (nonzero) digits is 18966528, while the sum is 62.

The spelling of 121836108761774 in words is "one hundred twenty-one trillion, eight hundred thirty-six billion, one hundred eight million, seven hundred sixty-one thousand, seven hundred seventy-four".