Base | Representation |
---|---|
bin | 1110100110110… |
… | …10110010111001 |
3 | 22112120012221020 |
4 | 13103122302321 |
5 | 222331443001 |
6 | 20054133053 |
7 | 3015332145 |
oct | 723326271 |
9 | 275505836 |
10 | 122531001 |
11 | 6319039a |
12 | 35051189 |
13 | 1c501c68 |
14 | 123b8225 |
15 | ab55736 |
hex | 74dacb9 |
122531001 has 8 divisors (see below), whose sum is σ = 167359584. Its totient is φ = 79694880.
The previous prime is 122530999. The next prime is 122531009. The reversal of 122531001 is 100135221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122531001 - 21 = 122530999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122531009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497971 + ... + 498216.
It is an arithmetic number, because the mean of its divisors is an integer number (20919948).
Almost surely, 2122531001 is an apocalyptic number.
It is an amenable number.
122531001 is a deficient number, since it is larger than the sum of its proper divisors (44828583).
122531001 is an equidigital number, since it uses as much as digits as its factorization.
122531001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996231.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 122531001 is about 11069.3722044206. The cubic root of 122531001 is about 496.6860858034.
Adding to 122531001 its reverse (100135221), we get a palindrome (222666222).
The spelling of 122531001 in words is "one hundred twenty-two million, five hundred thirty-one thousand, one".
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