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122330321 is a prime number
BaseRepresentation
bin1110100101010…
…01110011010001
322112012000122122
413102221303101
5222304032241
620045544025
73013535111
oct722516321
9275160578
10122330321
1163063643
1234b75015
131c461809
1412365041
15ab1604b
hex74a9cd1

122330321 has 2 divisors, whose sum is σ = 122330322. Its totient is φ = 122330320.

The previous prime is 122330311. The next prime is 122330333. The reversal of 122330321 is 123033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96432400 + 25897921 = 9820^2 + 5089^2 .

It is an emirp because it is prime and its reverse (123033221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122330321 - 214 = 122313937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122330321.

It is not a weakly prime, because it can be changed into another prime (122330311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165160 + 61165161.

It is an arithmetic number, because the mean of its divisors is an integer number (61165161).

Almost surely, 2122330321 is an apocalyptic number.

It is an amenable number.

122330321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122330321 is an equidigital number, since it uses as much as digits as its factorization.

122330321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 122330321 is about 11060.3038385028. The cubic root of 122330321 is about 496.4147818667.

Adding to 122330321 its reverse (123033221), we get a palindrome (245363542).

The spelling of 122330321 in words is "one hundred twenty-two million, three hundred thirty thousand, three hundred twenty-one".