Search a number
-
+
122383189 is a prime number
BaseRepresentation
bin1110100101101…
…10101101010101
322112021201011201
413102312231111
5222312230224
620051032501
73014145205
oct722665525
9275251151
10122383189
116309a335
1234b9b731
131c47c8b6
141237a405
15ab26a44
hex74b6b55

122383189 has 2 divisors, whose sum is σ = 122383190. Its totient is φ = 122383188.

The previous prime is 122383139. The next prime is 122383211. The reversal of 122383189 is 981383221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121727089 + 656100 = 11033^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 122383189 - 27 = 122383061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122383139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61191594 + 61191595.

It is an arithmetic number, because the mean of its divisors is an integer number (61191595).

Almost surely, 2122383189 is an apocalyptic number.

It is an amenable number.

122383189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122383189 is an equidigital number, since it uses as much as digits as its factorization.

122383189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 122383189 is about 11062.6935689280. The cubic root of 122383189 is about 496.4862841093.

The spelling of 122383189 in words is "one hundred twenty-two million, three hundred eighty-three thousand, one hundred eighty-nine".