Search a number
-
+
1275426227 is a prime number
BaseRepresentation
bin100110000000101…
…0111010110110011
310021212221100212102
41030001113112303
510103002114402
6330320451015
743414641545
oct11401272663
93255840772
101275426227
115a4a43669
122b7179a6b
13174312a9a
14c1565695
1576e89102
hex4c0575b3

1275426227 has 2 divisors, whose sum is σ = 1275426228. Its totient is φ = 1275426226.

The previous prime is 1275426193. The next prime is 1275426259. The reversal of 1275426227 is 7226245721.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7226245721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1275426227 - 28 = 1275425971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1275426287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637713113 + 637713114.

It is an arithmetic number, because the mean of its divisors is an integer number (637713114).

Almost surely, 21275426227 is an apocalyptic number.

1275426227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275426227 is an equidigital number, since it uses as much as digits as its factorization.

1275426227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 1275426227 is about 35713.1100157911. The cubic root of 1275426227 is about 1084.4722604997.

The spelling of 1275426227 in words is "one billion, two hundred seventy-five million, four hundred twenty-six thousand, two hundred twenty-seven".