121776534093 has 4 divisors (see below), whose sum is σ = 162368712128. Its totient is φ = 81184356060.

The previous prime is 121776533981. The next prime is 121776534109. The reversal of 121776534093 is 390435677121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121776534093 - 2⁹ = 121776533581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121776534793) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20296089013 + ... + 20296089018.

It is an arithmetic number, because the mean of its divisors is an integer number (40592178032).

Almost surely, 2^121776534093 is an apocalyptic number.

It is an amenable number.

121776534093 is a deficient number, since it is larger than the sum of its proper divisors (40592178035).

121776534093 is an equidigital number, since it uses as much as digits as its factorization.

121776534093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40592178034.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 121776534093 in words is "one hundred twenty-one billion, seven hundred seventy-six million, five hundred thirty-four thousand, ninety-three".