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1123030241 is a prime number
BaseRepresentation
bin100001011110000…
…0001010011100001
32220021011211212122
41002330001103201
54244443431431
6303234234025
736554412434
oct10274012341
92807154778
101123030241
11526a15273
12274125915
1314b885448
14a921581b
15688d4a7b
hex42f014e1

1123030241 has 2 divisors, whose sum is σ = 1123030242. Its totient is φ = 1123030240.

The previous prime is 1123030229. The next prime is 1123030261. The reversal of 1123030241 is 1420303211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1017865216 + 105165025 = 31904^2 + 10255^2 .

It is an emirp because it is prime and its reverse (1420303211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030241 - 222 = 1118835937 is a prime.

It is a super-2 number, since 2×11230302412 = 2522393844401036162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123030201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515120 + 561515121.

It is an arithmetic number, because the mean of its divisors is an integer number (561515121).

Almost surely, 21123030241 is an apocalyptic number.

It is an amenable number.

1123030241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030241 is an equidigital number, since it uses as much as digits as its factorization.

1123030241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1123030241 is about 33511.6433646576. The cubic root of 1123030241 is about 1039.4345548659.

Adding to 1123030241 its reverse (1420303211), we get a palindrome (2543333452).

The spelling of 1123030241 in words is "one billion, one hundred twenty-three million, thirty thousand, two hundred forty-one".