Search a number
-
+
126438227 is a prime number
BaseRepresentation
bin1111000100101…
…00101101010011
322210220201122022
413202110231103
5224332010402
620314002055
73063464366
oct742245523
9283821568
10126438227
1165409a03
123641632b
132026c526
1412b140dd
15b1782a2
hex7894b53

126438227 has 2 divisors, whose sum is σ = 126438228. Its totient is φ = 126438226.

The previous prime is 126438161. The next prime is 126438229. The reversal of 126438227 is 722834621.

It is a strong prime.

It is an emirp because it is prime and its reverse (722834621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126438227 - 212 = 126434131 is a prime.

Together with 126438229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126438229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63219113 + 63219114.

It is an arithmetic number, because the mean of its divisors is an integer number (63219114).

Almost surely, 2126438227 is an apocalyptic number.

126438227 is a deficient number, since it is larger than the sum of its proper divisors (1).

126438227 is an equidigital number, since it uses as much as digits as its factorization.

126438227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 126438227 is about 11244.4753990571. The cubic root of 126438227 is about 501.9103279986.

The spelling of 126438227 in words is "one hundred twenty-six million, four hundred thirty-eight thousand, two hundred twenty-seven".