121344043043 has 8 divisors (see below), whose sum is σ = 121426218000. Its totient is φ = 121261902048.

The previous prime is 121344043033. The next prime is 121344043049. The reversal of 121344043043 is 340340443121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121344043043 - 2²⁶ = 121276934179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121344042997 and 121344043015.

It is not an unprimeable number, because it can be changed into a prime (121344043049) 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, 12191633 + ... + 12201581.

It is an arithmetic number, because the mean of its divisors is an integer number (15178277250).

Almost surely, 2^121344043043 is an apocalyptic number.

121344043043 is a deficient number, since it is larger than the sum of its proper divisors (82174957).

121344043043 is an equidigital number, since it uses as much as digits as its factorization.

121344043043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16981.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 121344043043 its reverse (340340443121), we get a palindrome (461684486164).

The spelling of 121344043043 in words is "one hundred twenty-one billion, three hundred forty-four million, forty-three thousand, forty-three".