121244443134 has 8 divisors (see below), whose sum is σ = 242488886280. Its totient is φ = 40414814376.

The previous prime is 121244443129. The next prime is 121244443157. The reversal of 121244443134 is 431344442121.

It is a happy number.

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

121244443134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121244443095 and 121244443104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103703589 + ... + 10103703600.

It is an arithmetic number, because the mean of its divisors is an integer number (30311110785).

Almost surely, 2^121244443134 is an apocalyptic number.

121244443134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121244443134 is a wasteful number, since it uses less digits than its factorization.

121244443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20207407194.

The product of its digits is 36864, while the sum is 33.

Adding to 121244443134 its reverse (431344442121), we get a palindrome (552588885255).

The spelling of 121244443134 in words is "one hundred twenty-one billion, two hundred forty-four million, four hundred forty-three thousand, one hundred thirty-four".