122341641721 has 8 divisors (see below), whose sum is σ = 134966014344. Its totient is φ = 110176337280.

The previous prime is 122341641707. The next prime is 122341641731. The reversal of 122341641721 is 127146143221.

It can be written as a sum of positive squares in 4 ways, for example, as 6786025 + 122334855696 = 2605^2 + 349764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122341641721 - 2⁷ = 122341641593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122341641731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114766486 + ... + 114767551.

It is an arithmetic number, because the mean of its divisors is an integer number (16870751793).

Almost surely, 2^122341641721 is an apocalyptic number.

It is an amenable number.

122341641721 is a deficient number, since it is larger than the sum of its proper divisors (12624372623).

122341641721 is a wasteful number, since it uses less digits than its factorization.

122341641721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229534091.

The product of its digits is 16128, while the sum is 34.

Adding to 122341641721 its reverse (127146143221), we get a palindrome (249487784942).

The spelling of 122341641721 in words is "one hundred twenty-two billion, three hundred forty-one million, six hundred forty-one thousand, seven hundred twenty-one".