122040344555 has 4 divisors (see below), whose sum is σ = 146448413472. Its totient is φ = 97632275640.

The previous prime is 122040344533. The next prime is 122040344561. The reversal of 122040344555 is 555443040221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555443040221 = 17 ⋅32673120013.

It is not a de Polignac number, because 122040344555 - 2¹⁶ = 122040279019 is a prime.

It is a Duffinian 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, 12204034451 + ... + 12204034460.

It is an arithmetic number, because the mean of its divisors is an integer number (36612103368).

Almost surely, 2^122040344555 is an apocalyptic number.

122040344555 is a deficient number, since it is larger than the sum of its proper divisors (24408068917).

122040344555 is an equidigital number, since it uses as much as digits as its factorization.

122040344555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408068916.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 122040344555 its reverse (555443040221), we get a palindrome (677483384776).

The spelling of 122040344555 in words is "one hundred twenty-two billion, forty million, three hundred forty-four thousand, five hundred fifty-five".