122242541 has 2 divisors, whose sum is σ = 122242542. Its totient is φ = 122242540.

The previous prime is 122242531. The next prime is 122242543. The reversal of 122242541 is 145242221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 1901641 = 10970^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 122242541 - 2¹⁰ = 122241517 is a prime.

Together with 122242543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122242543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61121270 + 61121271.

It is an arithmetic number, because the mean of its divisors is an integer number (61121271).

Almost surely, 2^122242541 is an apocalyptic number.

It is an amenable number.

122242541 is a deficient number, since it is larger than the sum of its proper divisors (1).

122242541 is an equidigital number, since it uses as much as digits as its factorization.

122242541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 23.

The square root of 122242541 is about 11056.3348809630. The cubic root of 122242541 is about 496.2960167722.

Adding to 122242541 its reverse (145242221), we get a palindrome (267484762).

The spelling of 122242541 in words is "one hundred twenty-two million, two hundred forty-two thousand, five hundred forty-one".