122279141 has 2 divisors, whose sum is σ = 122279142. Its totient is φ = 122279140.

The previous prime is 122279089. The next prime is 122279149. The reversal of 122279141 is 141972221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115648516 + 6630625 = 10754^2 + 2575^2 .

It is an emirp because it is prime and its reverse (141972221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122279141 - 2⁶ = 122279077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122279149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61139570 + 61139571.

It is an arithmetic number, because the mean of its divisors is an integer number (61139571).

Almost surely, 2^122279141 is an apocalyptic number.

It is an amenable number.

122279141 is a deficient number, since it is larger than the sum of its proper divisors (1).

122279141 is an equidigital number, since it uses as much as digits as its factorization.

122279141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 122279141 is about 11057.9899167977. The cubic root of 122279141 is about 496.3455429615.

The spelling of 122279141 in words is "one hundred twenty-two million, two hundred seventy-nine thousand, one hundred forty-one".