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1123305241 is a prime number
BaseRepresentation
bin100001011110100…
…0100011100011001
32220021200211002211
41002331010130121
54300031231431
6303244155121
736556636252
oct10275043431
92807624084
101123305241
11527092943
12274238aa1
1314b950676
14a9287b29
156893b2b1
hex42f44719

1123305241 has 2 divisors, whose sum is σ = 1123305242. Its totient is φ = 1123305240.

The previous prime is 1123305233. The next prime is 1123305247. The reversal of 1123305241 is 1425033211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052678025 + 70627216 = 32445^2 + 8404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123305241 - 23 = 1123305233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123305247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561652620 + 561652621.

It is an arithmetic number, because the mean of its divisors is an integer number (561652621).

Almost surely, 21123305241 is an apocalyptic number.

It is an amenable number.

1123305241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123305241 is an equidigital number, since it uses as much as digits as its factorization.

1123305241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1123305241 is about 33515.7461650490. The cubic root of 1123305241 is about 1039.5193911607.

Adding to 1123305241 its reverse (1425033211), we get a palindrome (2548338452).

The spelling of 1123305241 in words is "one billion, one hundred twenty-three million, three hundred five thousand, two hundred forty-one".