122643060655 has 32 divisors (see below), whose sum is σ = 157987584000. Its totient is φ = 91157818752.

The previous prime is 122643060649. The next prime is 122643060677. The reversal of 122643060655 is 556060346221.

It is a happy number.

It is not a de Polignac number, because 122643060655 - 2³ = 122643060647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2524686 + ... + 2572804.

It is an arithmetic number, because the mean of its divisors is an integer number (4937112000).

Almost surely, 2^122643060655 is an apocalyptic number.

122643060655 is a deficient number, since it is larger than the sum of its proper divisors (35344523345).

122643060655 is a wasteful number, since it uses less digits than its factorization.

122643060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48783.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 122643060655 in words is "one hundred twenty-two billion, six hundred forty-three million, sixty thousand, six hundred fifty-five".