Base | Representation |
---|---|
bin | 100111011011101011101 |
3 | 2102122110111 |
4 | 10323131131 |
5 | 312322000 |
6 | 43410021 |
7 | 13661062 |
oct | 4733535 |
9 | 2378414 |
10 | 1292125 |
11 | 80287a |
12 | 523911 |
13 | 363193 |
14 | 258c69 |
15 | 1a7cba |
hex | 13b75d |
1292125 has 8 divisors (see below), whose sum is σ = 1612728. Its totient is φ = 1033600.
The previous prime is 1292113. The next prime is 1292131. The reversal of 1292125 is 5212921.
It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 994009 = 546^2 + 997^2 .
It is not a de Polignac number, because 1292125 - 211 = 1290077 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1292096 and 1292105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044 + ... + 5293.
It is an arithmetic number, because the mean of its divisors is an integer number (201591).
21292125 is an apocalyptic number.
It is an amenable number.
1292125 is a deficient number, since it is larger than the sum of its proper divisors (320603).
1292125 is an equidigital number, since it uses as much as digits as its factorization.
1292125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10352 (or 10342 counting only the distinct ones).
The product of its digits is 360, while the sum is 22.
The square root of 1292125 is about 1136.7167633144. The cubic root of 1292125 is about 108.9184644005.
The spelling of 1292125 in words is "one million, two hundred ninety-two thousand, one hundred twenty-five".
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