122795586454489 has 9 divisors (see below), whose sum is σ = 132968157891453. Its totient is φ = 113349639136032.

The previous prime is 122795586454483. The next prime is 122795586454493. The reversal of 122795586454489 is 984454685597221.

The square root of 122795586454489 is 11081317.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21771136062025 + 101024450392464 = 4665955^2 + 10051092^2 .

It is not a de Polignac number, because 122795586454489 - 2⁹ = 122795586453977 is a prime.

It is a super-2 number, since 2×122795586454489² (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 (122795586454483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 143630917 + ... + 144483325.

It is an arithmetic number, because the mean of its divisors is an integer number (14774239765717).

Almost surely, 2^{122795586454489} is an apocalyptic number.

122795586454489 is the 11081317-th square number.

122795586454489 is the 5540659-th centered octagonal number.

It is an amenable number.

122795586454489 is a deficient number, since it is larger than the sum of its proper divisors (10172571436964).

122795586454489 is an frugal number, since it uses more digits than its factorization.

122795586454489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704844 (or 852422 counting only the distinct ones).

The product of its digits is 6967296000, while the sum is 79.

The spelling of 122795586454489 in words is "one hundred twenty-two trillion, seven hundred ninety-five billion, five hundred eighty-six million, four hundred fifty-four thousand, four hundred eighty-nine".