122040550405 has 16 divisors (see below), whose sum is σ = 150998405184. Its totient is φ = 94633943040.

The previous prime is 122040550403. The next prime is 122040550433. The reversal of 122040550405 is 504055040221.

It is not a de Polignac number, because 122040550405 - 2¹ = 122040550403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040550403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138364 + ... + 2194693.

It is an arithmetic number, because the mean of its divisors is an integer number (9437400324).

Almost surely, 2^122040550405 is an apocalyptic number.

It is an amenable number.

122040550405 is a deficient number, since it is larger than the sum of its proper divisors (28957854779).

122040550405 is a wasteful number, since it uses less digits than its factorization.

122040550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333236.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 122040550405 its reverse (504055040221), we get a palindrome (626095590626).

The spelling of 122040550405 in words is "one hundred twenty-two billion, forty million, five hundred fifty thousand, four hundred five".