122443741647361 has 4 divisors (see below), whose sum is σ = 122501253975300. Its totient is φ = 122386229319424.

The previous prime is 122443741647287. The next prime is 122443741647397. The reversal of 122443741647361 is 163746147344221.

It is a happy number.

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 14149935489600 + 108293806157761 = 3761640^2 + 10406431^2 .

It is a cyclic number.

It is not a de Polignac number, because 122443741647361 - 2²³ = 122443733258753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122443741657361) 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, 28756160776 + ... + 28756165033.

It is an arithmetic number, because the mean of its divisors is an integer number (30625313493825).

Almost surely, 2^{122443741647361} is an apocalyptic number.

It is an amenable number.

122443741647361 is a deficient number, since it is larger than the sum of its proper divisors (57512327939).

122443741647361 is an equidigital number, since it uses as much as digits as its factorization.

122443741647361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57512327938.

The product of its digits is 16257024, while the sum is 55.

The spelling of 122443741647361 in words is "one hundred twenty-two trillion, four hundred forty-three billion, seven hundred forty-one million, six hundred forty-seven thousand, three hundred sixty-one".