121440334443 has 8 divisors (see below), whose sum is σ = 168960465408. Its totient is φ = 77440213224.

The previous prime is 121440334439. The next prime is 121440334447. The reversal of 121440334443 is 344433044121.

It is an interprime number because it is at equal distance from previous prime (121440334439) and next prime (121440334447).

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

It is not a de Polignac number, because 121440334443 - 2² = 121440334439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121440334447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880002355 + ... + 880002492.

It is an arithmetic number, because the mean of its divisors is an integer number (21120058176).

Almost surely, 2^121440334443 is an apocalyptic number.

121440334443 is a deficient number, since it is larger than the sum of its proper divisors (47520130965).

121440334443 is a wasteful number, since it uses less digits than its factorization.

121440334443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760004873.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 121440334443 its reverse (344433044121), we get a palindrome (465873378564).

The spelling of 121440334443 in words is "one hundred twenty-one billion, four hundred forty million, three hundred thirty-four thousand, four hundred forty-three".