121846074894543 has 32 divisors (see below), whose sum is σ = 172832447520000. Its totient is φ = 76234044922112.

The previous prime is 121846074894527. The next prime is 121846074894587. The reversal of 121846074894543 is 345498470648121.

It is not a de Polignac number, because 121846074894543 - 2⁴ = 121846074894527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121846074894343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132901533 + ... + 133815206.

It is an arithmetic number, because the mean of its divisors is an integer number (5401013985000).

It is a 1-persistent number, because it is pandigital, but 2⋅121846074894543 = 243692149789086 is not.

Almost surely, 2^{121846074894543} is an apocalyptic number.

121846074894543 is a deficient number, since it is larger than the sum of its proper divisors (50986372625457).

121846074894543 is a wasteful number, since it uses less digits than its factorization.

121846074894543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266716919.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 121846074894543 in words is "one hundred twenty-one trillion, eight hundred forty-six billion, seventy-four million, eight hundred ninety-four thousand, five hundred forty-three".