122126141 has 2 divisors, whose sum is σ = 122126142. Its totient is φ = 122126140.

The previous prime is 122126119. The next prime is 122126183. The reversal of 122126141 is 141621221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120012025 + 2114116 = 10955^2 + 1454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122126141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122126111) by changing a digit.

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, 61063070 + 61063071.

It is an arithmetic number, because the mean of its divisors is an integer number (61063071).

Almost surely, 2^122126141 is an apocalyptic number.

It is an amenable number.

122126141 is a deficient number, since it is larger than the sum of its proper divisors (1).

122126141 is an equidigital number, since it uses as much as digits as its factorization.

122126141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 122126141 is about 11051.0696767327. The cubic root of 122126141 is about 496.1384415082.

Adding to 122126141 its reverse (141621221), we get a palindrome (263747362).

The spelling of 122126141 in words is "one hundred twenty-two million, one hundred twenty-six thousand, one hundred forty-one".