Base | Representation |
---|---|
bin | 1110100110000… |
… | …00111100110001 |
3 | 22112100211201100 |
4 | 13103000330301 |
5 | 222320101022 |
6 | 20051555013 |
7 | 3014411412 |
oct | 723007461 |
9 | 275324640 |
10 | 122425137 |
11 | 631188aa |
12 | 34bbba69 |
13 | 1c495a13 |
14 | 1238b809 |
15 | ab341ac |
hex | 74c0f31 |
122425137 has 12 divisors (see below), whose sum is σ = 176944144. Its totient is φ = 81567000.
The previous prime is 122425129. The next prime is 122425141. The reversal of 122425137 is 731524221.
It is not a de Polignac number, because 122425137 - 23 = 122425129 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122425137.
It is not an unprimeable number, because it can be changed into a prime (122425117) 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 in 11 ways as a sum of consecutive naturals, for example, 17238 + ... + 23280.
Almost surely, 2122425137 is an apocalyptic number.
It is an amenable number.
122425137 is a deficient number, since it is larger than the sum of its proper divisors (54519007).
122425137 is a wasteful number, since it uses less digits than its factorization.
122425137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8300 (or 8297 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 122425137 is about 11064.5893281224. The cubic root of 122425137 is about 496.5430027588.
Adding to 122425137 its reverse (731524221), we get a palindrome (853949358).
The spelling of 122425137 in words is "one hundred twenty-two million, four hundred twenty-five thousand, one hundred thirty-seven".
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