121450002643 has 8 divisors (see below), whose sum is σ = 121799980512. Its totient is φ = 121100438016.

The previous prime is 121450002629. The next prime is 121450002649. The reversal of 121450002643 is 346200054121.

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 121450002643 - 2³³ = 112860068051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121450002649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 490221 + ... + 695137.

It is an arithmetic number, because the mean of its divisors is an integer number (15224997564).

Almost surely, 2^121450002643 is an apocalyptic number.

121450002643 is a deficient number, since it is larger than the sum of its proper divisors (349977869).

121450002643 is a wasteful number, since it uses less digits than its factorization.

121450002643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206621.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 121450002643 its reverse (346200054121), we get a palindrome (467650056764).

The spelling of 121450002643 in words is "one hundred twenty-one billion, four hundred fifty million, two thousand, six hundred forty-three".