64122841 has 2 divisors, whose sum is σ = 64122842. Its totient is φ = 64122840.

The previous prime is 64122833. The next prime is 64122881. The reversal of 64122841 is 14822146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60512841 + 3610000 = 7779^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 64122841 - 2³ = 64122833 is a prime.

It is a super-2 number, since 2×64122841² = 8223477475822562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64122881) 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, 32061420 + 32061421.

It is an arithmetic number, because the mean of its divisors is an integer number (32061421).

Almost surely, 2^64122841 is an apocalyptic number.

It is an amenable number.

64122841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64122841 is an equidigital number, since it uses as much as digits as its factorization.

64122841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 64122841 is about 8007.6738819710. The cubic root of 64122841 is about 400.2557551884.

Adding to 64122841 its reverse (14822146), we get a palindrome (78944987).

The spelling of 64122841 in words is "sixty-four million, one hundred twenty-two thousand, eight hundred forty-one".