122013554553 has 16 divisors (see below), whose sum is σ = 197193624000. Its totient is φ = 73947608640.

The previous prime is 122013554549. The next prime is 122013554563. The reversal of 122013554553 is 355455310221.

122013554553 is a `hidden beast` number, since 1 + 2 + 20 + 1 + 35 + 54 + 553 = 666.

It is not a de Polignac number, because 122013554553 - 2² = 122013554549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122013554563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205409728 + ... + 205410321.

It is an arithmetic number, because the mean of its divisors is an integer number (12324601500).

Almost surely, 2^122013554553 is an apocalyptic number.

It is an amenable number.

122013554553 is a deficient number, since it is larger than the sum of its proper divisors (75180069447).

122013554553 is a wasteful number, since it uses less digits than its factorization.

122013554553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410820069 (or 410820063 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 122013554553 its reverse (355455310221), we get a palindrome (477468864774).

The spelling of 122013554553 in words is "one hundred twenty-two billion, thirteen million, five hundred fifty-four thousand, five hundred fifty-three".