Search a number
-
+
122335189 is a prime number
BaseRepresentation
bin1110100101010…
…10111111010101
322112012021022221
413102222333111
5222304211224
620050022341
73013555234
oct722527725
9275167287
10122335189
1163067269
1234b779b1
131c463ab2
1412366b1b
15ab176e4
hex74aafd5

122335189 has 2 divisors, whose sum is σ = 122335190. Its totient is φ = 122335188.

The previous prime is 122335127. The next prime is 122335193. The reversal of 122335189 is 981533221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 54272689 = 8250^2 + 7367^2 .

It is an emirp because it is prime and its reverse (981533221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122335189 - 215 = 122302421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122336189) 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 as a sum of consecutive naturals, namely, 61167594 + 61167595.

It is an arithmetic number, because the mean of its divisors is an integer number (61167595).

Almost surely, 2122335189 is an apocalyptic number.

It is an amenable number.

122335189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122335189 is an equidigital number, since it uses as much as digits as its factorization.

122335189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 122335189 is about 11060.5239026006. The cubic root of 122335189 is about 496.4213665387.

The spelling of 122335189 in words is "one hundred twenty-two million, three hundred thirty-five thousand, one hundred eighty-nine".