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1272133 is a prime number
BaseRepresentation
bin100110110100101000101
32101122001001
410312211011
5311202013
643133301
713545562
oct4664505
92348031
101272133
11799855
12514231
13357055
14251869
151a1ddd
hex136945

1272133 has 2 divisors, whose sum is σ = 1272134. Its totient is φ = 1272132.

The previous prime is 1272113. The next prime is 1272151. The reversal of 1272133 is 3312721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 494209 = 882^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272133 - 217 = 1141061 is a prime.

1272133 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1272113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636066 + 636067.

It is an arithmetic number, because the mean of its divisors is an integer number (636067).

21272133 is an apocalyptic number.

It is an amenable number.

1272133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272133 is an equidigital number, since it uses as much as digits as its factorization.

1272133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 1272133 is about 1127.8887356473. Note that the first 3 decimals coincide. The cubic root of 1272133 is about 108.3538065186.

Adding to 1272133 its reverse (3312721), we get a palindrome (4584854).

The spelling of 1272133 in words is "one million, two hundred seventy-two thousand, one hundred thirty-three".