122542550255 has 4 divisors (see below), whose sum is σ = 147051060312. Its totient is φ = 98034040200.

The previous prime is 122542550239. The next prime is 122542550279. The reversal of 122542550255 is 552055245221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552055245221 = 37 ⋅14920412033.

It is not a de Polignac number, because 122542550255 - 2⁴ = 122542550239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12254255021 + ... + 12254255030.

It is an arithmetic number, because the mean of its divisors is an integer number (36762765078).

Almost surely, 2^122542550255 is an apocalyptic number.

122542550255 is a deficient number, since it is larger than the sum of its proper divisors (24508510057).

122542550255 is an equidigital number, since it uses as much as digits as its factorization.

122542550255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24508510056.

The product of its (nonzero) digits is 200000, while the sum is 38.

Adding to 122542550255 its reverse (552055245221), we get a palindrome (674597795476).

The spelling of 122542550255 in words is "one hundred twenty-two billion, five hundred forty-two million, five hundred fifty thousand, two hundred fifty-five".