122042510164 has 6 divisors (see below), whose sum is σ = 213574392794. Its totient is φ = 61021255080.

The previous prime is 122042510159. The next prime is 122042510237. The reversal of 122042510164 is 461015240221.

It can be written as a sum of positive squares in only one way, i.e., 119805976900 + 2236533264 = 346130^2 + 47292^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 15255313767 + ... + 15255313774.

Almost surely, 2^122042510164 is an apocalyptic number.

It is an amenable number.

122042510164 is a deficient number, since it is larger than the sum of its proper divisors (91531882630).

122042510164 is a wasteful number, since it uses less digits than its factorization.

122042510164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30510627545 (or 30510627543 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 122042510164 its reverse (461015240221), we get a palindrome (583057750385).

The spelling of 122042510164 in words is "one hundred twenty-two billion, forty-two million, five hundred ten thousand, one hundred sixty-four".