122708265510563 has 4 divisors (see below), whose sum is σ = 123417561843168. Its totient is φ = 121998969177960.

The previous prime is 122708265510511. The next prime is 122708265510631. The reversal of 122708265510563 is 365015562807221.

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

It is a cyclic number.

It is not a de Polignac number, because 122708265510563 - 2³⁸ = 122433387603619 is a prime.

It is a super-2 number, since 2×122708265510563² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122708265513563) 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, 354648166043 + ... + 354648166388.

It is an arithmetic number, because the mean of its divisors is an integer number (30854390460792).

Almost surely, 2^{122708265510563} is an apocalyptic number.

122708265510563 is a deficient number, since it is larger than the sum of its proper divisors (709296332605).

122708265510563 is an equidigital number, since it uses as much as digits as its factorization.

122708265510563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709296332604.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 122708265510563 in words is "one hundred twenty-two trillion, seven hundred eight billion, two hundred sixty-five million, five hundred ten thousand, five hundred sixty-three".