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1126210069 is a prime number
BaseRepresentation
bin100001100100000…
…1001101000010101
32220111011101210001
41003020021220111
54301302210234
6303430331301
736623425165
oct10310115025
92814141701
101126210069
11528797326
122751b9b31
1314c4298ba
14a98025a5
1568d11d14
hex43209a15

1126210069 has 2 divisors, whose sum is σ = 1126210070. Its totient is φ = 1126210068.

The previous prime is 1126210049. The next prime is 1126210073. The reversal of 1126210069 is 9600126211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820135044 + 306075025 = 28638^2 + 17495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126210069 - 25 = 1126210037 is a prime.

It is a super-4 number, since 4×11262100694 (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126210049) 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, 563105034 + 563105035.

It is an arithmetic number, because the mean of its divisors is an integer number (563105035).

Almost surely, 21126210069 is an apocalyptic number.

It is an amenable number.

1126210069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126210069 is an equidigital number, since it uses as much as digits as its factorization.

1126210069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1126210069 is about 33559.0534580462. The cubic root of 1126210069 is about 1040.4146734566.

The spelling of 1126210069 in words is "one billion, one hundred twenty-six million, two hundred ten thousand, sixty-nine".