122420342055 has 64 divisors (see below), whose sum is σ = 215150059008. Its totient is φ = 58947509760.

The previous prime is 122420342017. The next prime is 122420342069. The reversal of 122420342055 is 550243024221.

It is not a de Polignac number, because 122420342055 - 2¹³ = 122420333863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35308432 + ... + 35311898.

It is an arithmetic number, because the mean of its divisors is an integer number (3361719672).

Almost surely, 2^122420342055 is an apocalyptic number.

122420342055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122420342055 is a deficient number, since it is larger than the sum of its proper divisors (92729716953).

122420342055 is a wasteful number, since it uses less digits than its factorization.

122420342055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 122420342055 its reverse (550243024221), we get a palindrome (672663366276).

The spelling of 122420342055 in words is "one hundred twenty-two billion, four hundred twenty million, three hundred forty-two thousand, fifty-five".