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127145 = 559431
BaseRepresentation
bin11111000010101001
320110102002
4133002221
513032040
62420345
71036454
oct370251
9213362
10127145
1187587
12616b5
1345b45
143449b
1527a15
hex1f0a9

127145 has 8 divisors (see below), whose sum is σ = 155520. Its totient is φ = 99760.

The previous prime is 127139. The next prime is 127157. The reversal of 127145 is 541721.

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

It is not a de Polignac number, because 127145 - 26 = 127081 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2127145 is an apocalyptic number.

It is an amenable number.

127145 is a deficient number, since it is larger than the sum of its proper divisors (28375).

127145 is an equidigital number, since it uses as much as digits as its factorization.

127145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 280, while the sum is 20.

The square root of 127145 is about 356.5739754946. The cubic root of 127145 is about 50.2843794996.

Adding to 127145 its reverse (541721), we get a palindrome (668866).

It can be divided in two parts, 127 and 145, that added together give a palindrome (272).

The spelling of 127145 in words is "one hundred twenty-seven thousand, one hundred forty-five".

Divisors: 1 5 59 295 431 2155 25429 127145