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1128231067 is a prime number
BaseRepresentation
bin100001100111111…
…0111000010011011
32220121222002001211
41003033313002123
54302311343232
6303541523551
736646543255
oct10317670233
92817862054
101128231067
11529947777
12275a135b7
1314c986762
14a9baacd5
15690b0a47
hex433f709b

1128231067 has 2 divisors, whose sum is σ = 1128231068. Its totient is φ = 1128231066.

The previous prime is 1128231053. The next prime is 1128231113. The reversal of 1128231067 is 7601328211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1128231067 - 215 = 1128198299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128231007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564115533 + 564115534.

It is an arithmetic number, because the mean of its divisors is an integer number (564115534).

Almost surely, 21128231067 is an apocalyptic number.

1128231067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128231067 is an equidigital number, since it uses as much as digits as its factorization.

1128231067 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 1128231067 is about 33589.1510312482. The cubic root of 1128231067 is about 1041.0366472562.

Adding to 1128231067 its reverse (7601328211), we get a palindrome (8729559278).

The spelling of 1128231067 in words is "one billion, one hundred twenty-eight million, two hundred thirty-one thousand, sixty-seven".