123100882061 has 2 divisors, whose sum is σ = 123100882062. Its totient is φ = 123100882060.

The previous prime is 123100882039. The next prime is 123100882117. The reversal of 123100882061 is 160288001321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123081688900 + 19193161 = 350830^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 123100882061 - 2²² = 123096687757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123100882661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550441030 + 61550441031.

It is an arithmetic number, because the mean of its divisors is an integer number (61550441031).

Almost surely, 2^123100882061 is an apocalyptic number.

It is an amenable number.

123100882061 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100882061 is an equidigital number, since it uses as much as digits as its factorization.

123100882061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 123100882061 its reverse (160288001321), we get a palindrome (283388883382).

The spelling of 123100882061 in words is "one hundred twenty-three billion, one hundred million, eight hundred eighty-two thousand, sixty-one".