Base | Representation |
---|---|
bin | 1111001010101… |
… | …00111000111001 |
3 | 22212101201102220 |
4 | 13211110320321 |
5 | 230032203101 |
6 | 20342514253 |
7 | 3103253352 |
oct | 745247071 |
9 | 285351386 |
10 | 127225401 |
11 | 658a7366 |
12 | 36735989 |
13 | 20486904 |
14 | 12c7ad29 |
15 | b281636 |
hex | 7954e39 |
127225401 has 4 divisors (see below), whose sum is σ = 169633872. Its totient is φ = 84816932.
The previous prime is 127225393. The next prime is 127225409. The reversal of 127225401 is 104522721.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (127225393) and next prime (127225409).
It is a cyclic number.
It is not a de Polignac number, because 127225401 - 23 = 127225393 is a prime.
It is a super-2 number, since 2×1272254012 = 32372605319221602, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (127225409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21204231 + ... + 21204236.
It is an arithmetic number, because the mean of its divisors is an integer number (42408468).
Almost surely, 2127225401 is an apocalyptic number.
It is an amenable number.
127225401 is a deficient number, since it is larger than the sum of its proper divisors (42408471).
127225401 is an equidigital number, since it uses as much as digits as its factorization.
127225401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42408470.
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 127225401 is about 11279.4237884743. The cubic root of 127225401 is about 502.9497648859.
The spelling of 127225401 in words is "one hundred twenty-seven million, two hundred twenty-five thousand, four hundred one".
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