Search a number
-
+
1270051241 is a prime number
BaseRepresentation
bin100101110110011…
…0111000110101001
310021111211021202212
41023230313012221
510100113114431
6330005334505
743321154204
oct11354670651
93244737685
101270051241
115a1a02328
122b5407435
13173180414
14c096693b
157677672b
hex4bb371a9

1270051241 has 2 divisors, whose sum is σ = 1270051242. Its totient is φ = 1270051240.

The previous prime is 1270051217. The next prime is 1270051261. The reversal of 1270051241 is 1421500721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260534016 + 9517225 = 35504^2 + 3085^2 .

It is an emirp because it is prime and its reverse (1421500721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1270051241 - 26 = 1270051177 is a prime.

It is a super-2 number, since 2×12700512412 = 3226060309531280162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1270051261) 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, 635025620 + 635025621.

It is an arithmetic number, because the mean of its divisors is an integer number (635025621).

Almost surely, 21270051241 is an apocalyptic number.

It is an amenable number.

1270051241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270051241 is an equidigital number, since it uses as much as digits as its factorization.

1270051241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1270051241 is about 35637.7782837258. The cubic root of 1270051241 is about 1082.9466970785.

Adding to 1270051241 its reverse (1421500721), we get a palindrome (2691551962).

The spelling of 1270051241 in words is "one billion, two hundred seventy million, fifty-one thousand, two hundred forty-one".