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10220129 is a prime number
BaseRepresentation
bin100110111111…
…001001100001
3201020020101022
4212333021201
510104021004
61003015225
7152604203
oct46771141
921206338
1010220129
115850597
12350a515
13216ab1a
141500773
15d6d2be
hex9bf261

10220129 has 2 divisors, whose sum is σ = 10220130. Its totient is φ = 10220128.

The previous prime is 10220107. The next prime is 10220131. The reversal of 10220129 is 92102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9138529 + 1081600 = 3023^2 + 1040^2 .

It is an emirp because it is prime and its reverse (92102201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220129 is a prime.

Together with 10220131, 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 (10220159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110064 + 5110065.

It is an arithmetic number, because the mean of its divisors is an integer number (5110065).

Almost surely, 210220129 is an apocalyptic number.

It is an amenable number.

10220129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220129 is an equidigital number, since it uses as much as digits as its factorization.

10220129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10220129 is about 3196.8936485282. The cubic root of 10220129 is about 217.0128543285.

The spelling of 10220129 in words is "ten million, two hundred twenty thousand, one hundred twenty-nine".