122555240244541 has 8 divisors (see below), whose sum is σ = 135549662807384. Its totient is φ = 110070402880320.

The previous prime is 122555240244529. The next prime is 122555240244583. The reversal of 122555240244541 is 145442042555221.

It can be written as a sum of positive squares in 4 ways, for example, as 23760506525625 + 98794733718916 = 4874475^2 + 9939554^2 .

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 122555240244541 - 2³¹ = 122553092760893 is a prime.

It is a super-2 number, since 2×122555240244541² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122555240244491 and 122555240244500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555240241541) 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, 127396299150 + ... + 127396300111.

It is an arithmetic number, because the mean of its divisors is an integer number (16943707850923).

Almost surely, 2^{122555240244541} is an apocalyptic number.

It is an amenable number.

122555240244541 is a deficient number, since it is larger than the sum of its proper divisors (12994422562843).

122555240244541 is a wasteful number, since it uses less digits than its factorization.

122555240244541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254792599311.

The product of its (nonzero) digits is 2560000, while the sum is 46.

Adding to 122555240244541 its reverse (145442042555221), we get a palindrome (267997282799762).

The spelling of 122555240244541 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred forty million, two hundred forty-four thousand, five hundred forty-one".