122386579489 has 16 divisors (see below), whose sum is σ = 126202779648. Its totient is φ = 118615254912.

The previous prime is 122386579453. The next prime is 122386579517. The reversal of 122386579489 is 984975683221.

It is a cyclic number.

It is not a de Polignac number, because 122386579489 - 2¹³ = 122386571297 is a prime.

It is a super-2 number, since 2×122386579489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122386579489.

It is not an unprimeable number, because it can be changed into a prime (122386579439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23366979 + ... + 23372215.

It is an arithmetic number, because the mean of its divisors is an integer number (7887673728).

Almost surely, 2^122386579489 is an apocalyptic number.

It is an amenable number.

122386579489 is a deficient number, since it is larger than the sum of its proper divisors (3816200159).

122386579489 is a wasteful number, since it uses less digits than its factorization.

122386579489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384.

The product of its digits is 52254720, while the sum is 64.

The spelling of 122386579489 in words is "one hundred twenty-two billion, three hundred eighty-six million, five hundred seventy-nine thousand, four hundred eighty-nine".