Search a number
-
+
1272060 = 2232537191
BaseRepresentation
bin100110110100011111100
32101121221100
410312203330
5311201220
643133100
713545426
oct4664374
92347840
101272060
11799799
12514190
13356cca
14251816
151a1d90
hex1368fc

1272060 has 72 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 328320.

The previous prime is 1272049. The next prime is 1272067. The reversal of 1272060 is 602721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6565 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (55328).

21272060 is an apocalyptic number.

1272060 is a gapful number since it is divisible by the number (10) 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 1272060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991808).

1272060 is an abundant number, since it is smaller than the sum of its proper divisors (2711556).

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

1272060 is a wasteful number, since it uses less digits than its factorization.

1272060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1272060 is about 1127.8563738349. The cubic root of 1272060 is about 108.3517338896.

Adding to 1272060 its reverse (602721), we get a palindrome (1874781).

It can be divided in two parts, 127 and 2060, that added together give a 7-th power (2187 = 37).

The spelling of 1272060 in words is "one million, two hundred seventy-two thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 191 222 333 370 382 444 555 573 666 740 764 955 1110 1146 1332 1665 1719 1910 2220 2292 2865 3330 3438 3820 5730 6660 6876 7067 8595 11460 14134 17190 21201 28268 34380 35335 42402 63603 70670 84804 106005 127206 141340 212010 254412 318015 424020 636030 1272060