122900181329 has 2 divisors, whose sum is σ = 122900181330. Its totient is φ = 122900181328.

The previous prime is 122900181317. The next prime is 122900181347. The reversal of 122900181329 is 923181009221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88247614225 + 34652567104 = 297065^2 + 186152^2 .

It is a cyclic number.

It is not a de Polignac number, because 122900181329 - 2²⁰ = 122899132753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122900181292 and 122900181301.

It is not a weakly prime, because it can be changed into another prime (122900181029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61450090664 + 61450090665.

It is an arithmetic number, because the mean of its divisors is an integer number (61450090665).

Almost surely, 2^122900181329 is an apocalyptic number.

It is an amenable number.

122900181329 is a deficient number, since it is larger than the sum of its proper divisors (1).

122900181329 is an equidigital number, since it uses as much as digits as its factorization.

122900181329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 122900181329 in words is "one hundred twenty-two billion, nine hundred million, one hundred eighty-one thousand, three hundred twenty-nine".