122530317 has 16 divisors (see below), whose sum is σ = 201075840. Its totient is φ = 64631232.

The previous prime is 122530313. The next prime is 122530351. The reversal of 122530317 is 713035221.

It is not a de Polignac number, because 122530317 - 2² = 122530313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122530313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224142 + ... + 224687.

It is an arithmetic number, because the mean of its divisors is an integer number (12567240).

Almost surely, 2^122530317 is an apocalyptic number.

It is an amenable number.

122530317 is a deficient number, since it is larger than the sum of its proper divisors (78545523).

122530317 is a wasteful number, since it uses less digits than its factorization.

122530317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448852.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 122530317 is about 11069.3413083164. The cubic root of 122530317 is about 496.6851615913.

Adding to 122530317 its reverse (713035221), we get a palindrome (835565538).

The spelling of 122530317 in words is "one hundred twenty-two million, five hundred thirty thousand, three hundred seventeen".