Search a number
-
+
1241043217 is a prime number
BaseRepresentation
bin100100111111000…
…1101000100010001
310012111020112020121
41021332031010101
510020201340332
6323051510241
742516456541
oct11176150421
93174215217
101241043217
1158759a157
122a7758381
1316a164acb
14bab75321
1573e46797
hex49f8d111

1241043217 has 2 divisors, whose sum is σ = 1241043218. Its totient is φ = 1241043216.

The previous prime is 1241043187. The next prime is 1241043239. The reversal of 1241043217 is 7123401421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1237913856 + 3129361 = 35184^2 + 1769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1241043217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241043191 and 1241043200.

It is not a weakly prime, because it can be changed into another prime (1241043247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620521608 + 620521609.

It is an arithmetic number, because the mean of its divisors is an integer number (620521609).

Almost surely, 21241043217 is an apocalyptic number.

It is an amenable number.

1241043217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241043217 is an equidigital number, since it uses as much as digits as its factorization.

1241043217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1241043217 is about 35228.4432951557. The cubic root of 1241043217 is about 1074.6382679086.

Adding to 1241043217 its reverse (7123401421), we get a palindrome (8364444638).

The spelling of 1241043217 in words is "one billion, two hundred forty-one million, forty-three thousand, two hundred seventeen".