Search a number
-
+
1274089 is a prime number
BaseRepresentation
bin100110111000011101001
32101201201111
410313003221
5311232324
643150321
713554355
oct4670351
92351644
101274089
117a0273
125153a1
13357bcb
14252465
151a2794
hex1370e9

1274089 has 2 divisors, whose sum is σ = 1274090. Its totient is φ = 1274088.

The previous prime is 1274087. The next prime is 1274111. The reversal of 1274089 is 9804721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 8464 = 1125^2 + 92^2 .

It is an emirp because it is prime and its reverse (9804721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1274089 - 21 = 1274087 is a prime.

Together with 1274087, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1274089.

It is not a weakly prime, because it can be changed into another prime (1274087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637044 + 637045.

It is an arithmetic number, because the mean of its divisors is an integer number (637045).

21274089 is an apocalyptic number.

It is an amenable number.

1274089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274089 is an equidigital number, since it uses as much as digits as its factorization.

1274089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1274089 is about 1128.7555093996. The cubic root of 1274089 is about 108.4093121179.

The spelling of 1274089 in words is "one million, two hundred seventy-four thousand, eighty-nine".