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10122125 = 53136229
BaseRepresentation
bin100110100111…
…001110001101
3201001020221112
4212213032031
510042402000
61000541405
7152015366
oct46471615
921036845
1010122125
1157939a2
123481865
132135330
1414b6b6d
15d4e235
hex9a738d

10122125 has 16 divisors (see below), whose sum is σ = 13606320. Its totient is φ = 7473600.

The previous prime is 10122113. The next prime is 10122143. The reversal of 10122125 is 52122101.

10122125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5189284 + 4932841 = 2278^2 + 2221^2 .

It is not a de Polignac number, because 10122125 - 214 = 10105741 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1490 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (850395).

Almost surely, 210122125 is an apocalyptic number.

It is an amenable number.

10122125 is a deficient number, since it is larger than the sum of its proper divisors (3484195).

10122125 is an equidigital number, since it uses as much as digits as its factorization.

10122125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257 (or 6247 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10122125 is about 3181.5287205996. The cubic root of 10122125 is about 216.3169572249.

Adding to 10122125 its reverse (52122101), we get a palindrome (62244226).

The spelling of 10122125 in words is "ten million, one hundred twenty-two thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 6229 31145 80977 155725 404885 778625 2024425 10122125