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1244124241 is a prime number
BaseRepresentation
bin100101000100111…
…1101010001010001
310012201001001121121
41022021331101101
510021443433431
6323241522241
742554611243
oct11211752121
93181031547
101244124241
11589303a58
122a87a3381
1316a9a32b9
14bb338093
1574354611
hex4a27d451

1244124241 has 2 divisors, whose sum is σ = 1244124242. Its totient is φ = 1244124240.

The previous prime is 1244124239. The next prime is 1244124251. The reversal of 1244124241 is 1424214421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868539841 + 375584400 = 29471^2 + 19380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244124241 - 21 = 1244124239 is a prime.

Together with 1244124239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1244124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622062120 + 622062121.

It is an arithmetic number, because the mean of its divisors is an integer number (622062121).

Almost surely, 21244124241 is an apocalyptic number.

It is an amenable number.

1244124241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244124241 is an equidigital number, since it uses as much as digits as its factorization.

1244124241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

The square root of 1244124241 is about 35272.1453983168. The cubic root of 1244124241 is about 1075.5268348985.

Adding to 1244124241 its reverse (1424214421), we get a palindrome (2668338662).

The spelling of 1244124241 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, two hundred forty-one".