122530517 has 4 divisors (see below), whose sum is σ = 124539276. Its totient is φ = 120521760.

The previous prime is 122530459. The next prime is 122530559. The reversal of 122530517 is 715035221.

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 10297681 + 112232836 = 3209^2 + 10594^2 .

It is a cyclic number.

It is not a de Polignac number, because 122530517 - 2¹⁶ = 122464981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122530217) 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, 1004288 + ... + 1004409.

It is an arithmetic number, because the mean of its divisors is an integer number (31134819).

Almost surely, 2^122530517 is an apocalyptic number.

It is an amenable number.

122530517 is a deficient number, since it is larger than the sum of its proper divisors (2008759).

122530517 is an equidigital number, since it uses as much as digits as its factorization.

122530517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008758.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 122530517 is about 11069.3503422739. The cubic root of 122530517 is about 496.6854318291.

Adding to 122530517 its reverse (715035221), we get a palindrome (837565738).

The spelling of 122530517 in words is "one hundred twenty-two million, five hundred thirty thousand, five hundred seventeen".