122543025505440 has 96 divisors (see below), whose sum is σ = 386012089330560. Its totient is φ = 32678008157184.

The previous prime is 122543025505427. The next prime is 122543025505451. The reversal of 122543025505440 is 44505520345221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 122543025505392 and 122543025505401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198007362 + ... + 198625278.

It is an arithmetic number, because the mean of its divisors is an integer number (4020959263860).

Almost surely, 2^{122543025505440} is an apocalyptic number.

122543025505440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122543025505440 is an abundant number, since it is smaller than the sum of its proper divisors (263469063825120).

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

122543025505440 is a wasteful number, since it uses less digits than its factorization.

122543025505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031094 (or 1031086 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 122543025505440 in words is "one hundred twenty-two trillion, five hundred forty-three billion, twenty-five million, five hundred five thousand, four hundred forty".