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1122103217 is a prime number
BaseRepresentation
bin100001011100001…
…1110111110110001
32220012102202020102
41002320132332301
54244224300332
6303202322145
736543501644
oct10270367661
92805382212
101122103217
11526441834
12273959355
1314b61c501
14a9053a5b
15687a0062
hex42e1efb1

1122103217 has 2 divisors, whose sum is σ = 1122103218. Its totient is φ = 1122103216.

The previous prime is 1122103201. The next prime is 1122103237. The reversal of 1122103217 is 7123012211.

It is an a-pointer prime, because the next prime (1122103237) can be obtained adding 1122103217 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816587776 + 305515441 = 28576^2 + 17479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122103217 - 24 = 1122103201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122103237) 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, 561051608 + 561051609.

It is an arithmetic number, because the mean of its divisors is an integer number (561051609).

Almost surely, 21122103217 is an apocalyptic number.

It is an amenable number.

1122103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122103217 is an equidigital number, since it uses as much as digits as its factorization.

1122103217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1122103217 is about 33497.8091373152. The cubic root of 1122103217 is about 1039.1484699503.

Adding to 1122103217 its reverse (7123012211), we get a palindrome (8245115428).

The spelling of 1122103217 in words is "one billion, one hundred twenty-two million, one hundred three thousand, two hundred seventeen".