655242454122 has 8 divisors (see below), whose sum is σ = 1310484908256. Its totient is φ = 218414151372.

The previous prime is 655242454121. The next prime is 655242454177. The reversal of 655242454122 is 221454242556.

It is a happy number.

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

655242454122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (655242454121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54603537838 + ... + 54603537849.

It is an arithmetic number, because the mean of its divisors is an integer number (163810613532).

Almost surely, 2^655242454122 is an apocalyptic number.

655242454122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655242454122 is a wasteful number, since it uses less digits than its factorization.

655242454122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109207075692.

The product of its digits is 768000, while the sum is 42.

Adding to 655242454122 its reverse (221454242556), we get a palindrome (876696696678).

The spelling of 655242454122 in words is "six hundred fifty-five billion, two hundred forty-two million, four hundred fifty-four thousand, one hundred twenty-two".