122555231420455 has 8 divisors (see below), whose sum is σ = 147066622183152. Its totient is φ = 98043955483968.

The previous prime is 122555231420407. The next prime is 122555231420579. The reversal of 122555231420455 is 554024132555221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122555231420455 - 2¹⁷ = 122555231289383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26340742 + ... + 30642211.

It is an arithmetic number, because the mean of its divisors is an integer number (18383327772894).

Almost surely, 2^{122555231420455} is an apocalyptic number.

122555231420455 is a deficient number, since it is larger than the sum of its proper divisors (24511390762697).

122555231420455 is an equidigital number, since it uses as much as digits as its factorization.

122555231420455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57413105.

The product of its (nonzero) digits is 2400000, while the sum is 46.

Adding to 122555231420455 its reverse (554024132555221), we get a palindrome (676579363975676).

The spelling of 122555231420455 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, four hundred twenty thousand, four hundred fifty-five".