122554403524021 has 16 divisors (see below), whose sum is σ = 143313701443200. Its totient is φ = 102631102217280.

The previous prime is 122554403524001. The next prime is 122554403524031. The reversal of 122554403524021 is 120425304455221.

It is a de Polignac number, because none of the positive numbers 2^k-122554403524021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122554403524001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963066091 + ... + 963193336.

It is an arithmetic number, because the mean of its divisors is an integer number (8957106340200).

Almost surely, 2^{122554403524021} is an apocalyptic number.

It is an amenable number.

122554403524021 is a deficient number, since it is larger than the sum of its proper divisors (20759297919179).

122554403524021 is a wasteful number, since it uses less digits than its factorization.

122554403524021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926259644.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 122554403524021 its reverse (120425304455221), we get a palindrome (242979707979242).

The spelling of 122554403524021 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, four hundred three million, five hundred twenty-four thousand, twenty-one".