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127872 = 273337
BaseRepresentation
bin11111001110000000
320111102000
4133032000
513042442
62424000
71041543
oct371600
9214360
10127872
1188088
1262000
1346284
143485a
1527d4c
hex1f380

127872 has 64 divisors (see below), whose sum is σ = 387600. Its totient is φ = 41472.

The previous prime is 127867. The next prime is 127873. The reversal of 127872 is 278721.

127872 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127873) by changing a digit.

127872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438 + ... + 3474.

2127872 is an apocalyptic number.

127872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193800).

127872 is an abundant number, since it is smaller than the sum of its proper divisors (259728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127872 is an equidigital number, since it uses as much as digits as its factorization.

127872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 42 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 127872 is about 357.5919462180. The cubic root of 127872 is about 50.3800374457.

It can be divided in two parts, 127 and 872, that added together give a palindrome (999).

The spelling of 127872 in words is "one hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 192 216 222 288 296 333 384 432 444 576 592 666 864 888 999 1152 1184 1332 1728 1776 1998 2368 2664 3456 3552 3996 4736 5328 7104 7992 10656 14208 15984 21312 31968 42624 63936 127872