Search a number
-
+
122420343179 is a prime number
BaseRepresentation
bin111001000000011010…
…0100011000110001011
3102200222200110210011102
41302000310203012023
54001204101440204
6132123352452015
711562455514341
oct1620064430613
9380880423142
10122420343179
1147a11101842
121b8863aa00b
13b70c7766b4
145cd497d991
1532b76e941e
hex1c80d2318b

122420343179 has 2 divisors, whose sum is σ = 122420343180. Its totient is φ = 122420343178.

The previous prime is 122420343047. The next prime is 122420343181. The reversal of 122420343179 is 971343024221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122420343179 - 220 = 122419294603 is a prime.

Together with 122420343181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122420340179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61210171589 + 61210171590.

It is an arithmetic number, because the mean of its divisors is an integer number (61210171590).

Almost surely, 2122420343179 is an apocalyptic number.

122420343179 is a deficient number, since it is larger than the sum of its proper divisors (1).

122420343179 is an equidigital number, since it uses as much as digits as its factorization.

122420343179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 122420343179 in words is "one hundred twenty-two billion, four hundred twenty million, three hundred forty-three thousand, one hundred seventy-nine".