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118811227 is a prime number
BaseRepresentation
bin1110001010011…
…10101001011011
322021120020100211
413011032221123
5220403424402
615442311551
72641610263
oct705165133
9267506324
10118811227
116107a6a7
12339585b7
131b7cbb02
1411aca7a3
15a66d4d7
hex714ea5b

118811227 has 2 divisors, whose sum is σ = 118811228. Its totient is φ = 118811226.

The previous prime is 118811219. The next prime is 118811243. The reversal of 118811227 is 722118811.

It is a weak prime.

It is an emirp because it is prime and its reverse (722118811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118811227 - 23 = 118811219 is a prime.

It is a super-2 number, since 2×1188112272 = 28232215322491058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118811267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59405613 + 59405614.

It is an arithmetic number, because the mean of its divisors is an integer number (59405614).

Almost surely, 2118811227 is an apocalyptic number.

118811227 is a deficient number, since it is larger than the sum of its proper divisors (1).

118811227 is an equidigital number, since it uses as much as digits as its factorization.

118811227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 31.

The square root of 118811227 is about 10900.0562842584. The cubic root of 118811227 is about 491.6082475963.

The spelling of 118811227 in words is "one hundred eighteen million, eight hundred eleven thousand, two hundred twenty-seven".