122040002155 has 32 divisors (see below), whose sum is σ = 150520220928. Its totient is φ = 94938480000.

The previous prime is 122040002143. The next prime is 122040002197. The reversal of 122040002155 is 551200040221.

It is not a de Polignac number, because 122040002155 - 2¹⁹ = 122039477867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54214780 + ... + 54217030.

It is an arithmetic number, because the mean of its divisors is an integer number (4703756904).

Almost surely, 2^122040002155 is an apocalyptic number.

122040002155 is a deficient number, since it is larger than the sum of its proper divisors (28480218773).

122040002155 is a wasteful number, since it uses less digits than its factorization.

122040002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 122040002155 its reverse (551200040221), we get a palindrome (673240042376).

The spelling of 122040002155 in words is "one hundred twenty-two billion, forty million, two thousand, one hundred fifty-five".