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127227107 = 7166710903
BaseRepresentation
bin1111001010101…
…01010011100011
322212101210210002
413211111103203
5230032231412
620342530215
73103261340
oct745252343
9285353702
10127227107
11658a8677
123673696b
1320487617
1412c7b7c7
15b281dc2
hex79554e3

127227107 has 8 divisors (see below), whose sum is σ = 145502976. Its totient is φ = 108976392.

The previous prime is 127227103. The next prime is 127227137. The reversal of 127227107 is 701722721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127227107 - 22 = 127227103 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 127227107.

It is not an unprimeable number, because it can be changed into a prime (127227103) 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, 6218 + ... + 17120.

It is an arithmetic number, because the mean of its divisors is an integer number (18187872).

Almost surely, 2127227107 is an apocalyptic number.

127227107 is a deficient number, since it is larger than the sum of its proper divisors (18275869).

127227107 is a wasteful number, since it uses less digits than its factorization.

127227107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 127227107 is about 11279.4994126513. The cubic root of 127227107 is about 502.9520129393.

Adding to 127227107 its reverse (701722721), we get a palindrome (828949828).

The spelling of 127227107 in words is "one hundred twenty-seven million, two hundred twenty-seven thousand, one hundred seven".

Divisors: 1 7 1667 10903 11669 76321 18175301 127227107