122616740553 has 4 divisors (see below), whose sum is σ = 163488987408. Its totient is φ = 81744493700.

The previous prime is 122616740539. The next prime is 122616740581. The reversal of 122616740553 is 355047616221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122616740553 - 2¹⁰ = 122616739529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122616740503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20436123423 + ... + 20436123428.

It is an arithmetic number, because the mean of its divisors is an integer number (40872246852).

Almost surely, 2^122616740553 is an apocalyptic number.

It is an amenable number.

122616740553 is a deficient number, since it is larger than the sum of its proper divisors (40872246855).

122616740553 is an equidigital number, since it uses as much as digits as its factorization.

122616740553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40872246854.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 122616740553 in words is "one hundred twenty-two billion, six hundred sixteen million, seven hundred forty thousand, five hundred fifty-three".