121543104404 has 12 divisors (see below), whose sum is σ = 212703052800. Its totient is φ = 60770803608.

The previous prime is 121543104391. The next prime is 121543104427. The reversal of 121543104404 is 404401345121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348527 + ... + 603785.

It is an arithmetic number, because the mean of its divisors is an integer number (17725254400).

Almost surely, 2^121543104404 is an apocalyptic number.

It is an amenable number.

121543104404 is a deficient number, since it is larger than the sum of its proper divisors (91159948396).

121543104404 is a wasteful number, since it uses less digits than its factorization.

121543104404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374302 (or 374300 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 121543104404 its reverse (404401345121), we get a palindrome (525944449525).

The spelling of 121543104404 in words is "one hundred twenty-one billion, five hundred forty-three million, one hundred four thousand, four hundred four".