122554233220541 has 4 divisors (see below), whose sum is σ = 122641212805500. Its totient is φ = 122467253635584.

The previous prime is 122554233220483. The next prime is 122554233220553. The reversal of 122554233220541 is 145022332455221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12456346716025 + 110097886504516 = 3529355^2 + 10492754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122554233220541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122554233120541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43489790366 + ... + 43489793183.

It is an arithmetic number, because the mean of its divisors is an integer number (30660303201375).

Almost surely, 2^{122554233220541} is an apocalyptic number.

It is an amenable number.

122554233220541 is a deficient number, since it is larger than the sum of its proper divisors (86979584959).

122554233220541 is an equidigital number, since it uses as much as digits as its factorization.

122554233220541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86979584958.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 122554233220541 its reverse (145022332455221), we get a palindrome (267576565675762).

The spelling of 122554233220541 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, two hundred thirty-three million, two hundred twenty thousand, five hundred forty-one".