122471504144 has 20 divisors (see below), whose sum is σ = 258860225040. Its totient is φ = 55668865440.

The previous prime is 122471504117. The next prime is 122471504171. The reversal of 122471504144 is 441405174221.

It is an interprime number because it is at equal distance from previous prime (122471504117) and next prime (122471504171).

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, 347930234 + ... + 347930585.

It is an arithmetic number, because the mean of its divisors is an integer number (12943011252).

Almost surely, 2^122471504144 is an apocalyptic number.

It is an amenable number.

122471504144 is an abundant number, since it is smaller than the sum of its proper divisors (136388720896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122471504144 is a wasteful number, since it uses less digits than its factorization.

122471504144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695860838 (or 695860832 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

Adding to 122471504144 its reverse (441405174221), we get a palindrome (563876678365).

The spelling of 122471504144 in words is "one hundred twenty-two billion, four hundred seventy-one million, five hundred four thousand, one hundred forty-four".