Search a number
-
+
1272132 = 223311779
BaseRepresentation
bin100110110100101000100
32101122001000
410312211010
5311202012
643133300
713545561
oct4664504
92348030
101272132
11799854
12514230
13357054
14251868
151a1ddc
hex136944

1272132 has 24 divisors (see below), whose sum is σ = 3298400. Its totient is φ = 424008.

The previous prime is 1272113. The next prime is 1272133. The reversal of 1272132 is 2312721.

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

It is not an unprimeable number, because it can be changed into a prime (1272133) 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, 5782 + ... + 5997.

21272132 is an apocalyptic number.

1272132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1272132 is an abundant number, since it is smaller than the sum of its proper divisors (2026268).

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

1272132 is a wasteful number, since it uses less digits than its factorization.

1272132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11792 (or 11784 counting only the distinct ones).

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

The square root of 1272132 is about 1127.8882923410. Note that the first 3 decimals coincide. The cubic root of 1272132 is about 108.3537781269.

Adding to 1272132 its reverse (2312721), we get a palindrome (3584853).

The spelling of 1272132 in words is "one million, two hundred seventy-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 11779 23558 35337 47116 70674 106011 141348 212022 318033 424044 636066 1272132