121189080055254 has 64 divisors (see below), whose sum is σ = 246997535431680. Its totient is φ = 39629971480320.

The previous prime is 121189080055243. The next prime is 121189080055259. The reversal of 121189080055254 is 452550080981121.

It is a junction number, because it is equal to n+sod(n) for n = 121189080055197 and 121189080055206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121189080055259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883575109 + ... + 883712255.

It is an arithmetic number, because the mean of its divisors is an integer number (3859336491120).

Almost surely, 2^{121189080055254} is an apocalyptic number.

121189080055254 is an abundant number, since it is smaller than the sum of its proper divisors (125808455376426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121189080055254 is a wasteful number, since it uses less digits than its factorization.

121189080055254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143525.

The product of its (nonzero) digits is 1152000, while the sum is 51.

The spelling of 121189080055254 in words is "one hundred twenty-one trillion, one hundred eighty-nine billion, eighty million, fifty-five thousand, two hundred fifty-four".