Base | Representation |
---|---|
bin | 1110011000111… |
… | …00000101001001 |
3 | 22102010020222221 |
4 | 13030130011021 |
5 | 221344420012 |
6 | 15551014041 |
7 | 2663641465 |
oct | 714340511 |
9 | 272106887 |
10 | 120701257 |
11 | 62150706 |
12 | 3450a321 |
13 | 1c011181 |
14 | 1205d4a5 |
15 | a8e3507 |
hex | 731c149 |
120701257 has 2 divisors, whose sum is σ = 120701258. Its totient is φ = 120701256.
The previous prime is 120701239. The next prime is 120701291. The reversal of 120701257 is 752107021.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 105185536 + 15515721 = 10256^2 + 3939^2 .
It is an emirp because it is prime and its reverse (752107021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120701257 - 211 = 120699209 is a prime.
It is not a weakly prime, because it can be changed into another prime (120701297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60350628 + 60350629.
It is an arithmetic number, because the mean of its divisors is an integer number (60350629).
Almost surely, 2120701257 is an apocalyptic number.
It is an amenable number.
120701257 is a deficient number, since it is larger than the sum of its proper divisors (1).
120701257 is an equidigital number, since it uses as much as digits as its factorization.
120701257 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 980, while the sum is 25.
The square root of 120701257 is about 10986.4123807547. The cubic root of 120701257 is about 494.2013540440.
Adding to 120701257 its reverse (752107021), we get a palindrome (872808278).
The spelling of 120701257 in words is "one hundred twenty million, seven hundred one thousand, two hundred fifty-seven".
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