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10122017 = 14967933
BaseRepresentation
bin100110100111…
…001100100001
3201001020210112
4212213030201
510042401032
61000541105
7152015153
oct46471441
921036715
1010122017
115793904
123481795
132135279
1414b6ad3
15d4e1b2
hex9a7321

10122017 has 4 divisors (see below), whose sum is σ = 10190100. Its totient is φ = 10053936.

The previous prime is 10122011. The next prime is 10122043. The reversal of 10122017 is 71022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71022101 = 71998779.

It can be written as a sum of positive squares in 2 ways, for example, as 5387041 + 4734976 = 2321^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122017 - 210 = 10120993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121992 and 10122010.

It is not an unprimeable number, because it can be changed into a prime (10122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33818 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (2547525).

Almost surely, 210122017 is an apocalyptic number.

It is an amenable number.

10122017 is a deficient number, since it is larger than the sum of its proper divisors (68083).

10122017 is an equidigital number, since it uses as much as digits as its factorization.

10122017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68082.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 10122017 is about 3181.5117475816. The cubic root of 10122017 is about 216.3161878768.

The spelling of 10122017 in words is "ten million, one hundred twenty-two thousand, seventeen".

Divisors: 1 149 67933 10122017