123522241 has 2 divisors, whose sum is σ = 123522242. Its totient is φ = 123522240.

The previous prime is 123522239. The next prime is 123522253. The reversal of 123522241 is 142225321.

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., 120560400 + 2961841 = 10980^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 123522241 - 2¹ = 123522239 is a prime.

Together with 123522239, it forms a pair of twin primes.

It is equal to p_7030714 and since 123522241 and 7030714 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123522271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61761120 + 61761121.

It is an arithmetic number, because the mean of its divisors is an integer number (61761121).

Almost surely, 2^123522241 is an apocalyptic number.

It is an amenable number.

123522241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123522241 is an equidigital number, since it uses as much as digits as its factorization.

123522241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 123522241 is about 11114.0560102962. The cubic root of 123522241 is about 498.0218387438.

Adding to 123522241 its reverse (142225321), we get a palindrome (265747562).

It can be divided in two parts, 12 and 3522241, that added together give a palindrome (3522253).

The spelling of 123522241 in words is "one hundred twenty-three million, five hundred twenty-two thousand, two hundred forty-one".