Search a number
-
+
122416849 is a prime number
BaseRepresentation
bin1110100101111…
…10111011010001
322112100102100101
413102332323101
5222314314344
620051452401
73014345302
oct722767321
9275312311
10122416849
1163112655
1234bb7101
131c492009
14123887a9
15ab319d4
hex74beed1

122416849 has 2 divisors, whose sum is σ = 122416850. Its totient is φ = 122416848.

The previous prime is 122416823. The next prime is 122416871. The reversal of 122416849 is 948614221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102880449 + 19536400 = 10143^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 122416849 - 25 = 122416817 is a prime.

It is not a weakly prime, because it can be changed into another prime (122414849) 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, 61208424 + 61208425.

It is an arithmetic number, because the mean of its divisors is an integer number (61208425).

Almost surely, 2122416849 is an apocalyptic number.

It is an amenable number.

122416849 is a deficient number, since it is larger than the sum of its proper divisors (1).

122416849 is an equidigital number, since it uses as much as digits as its factorization.

122416849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 122416849 is about 11064.2147936489. The cubic root of 122416849 is about 496.5317974313.

The spelling of 122416849 in words is "one hundred twenty-two million, four hundred sixteen thousand, eight hundred forty-nine".