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1111244041 is a prime number
BaseRepresentation
bin100001000111100…
…0011110100001001
32212110000001020201
41002033003310021
54233434302131
6302133452201
736352263355
oct10217036411
92773001221
101111244041
115202a5106
122701a1061
131492b986b
14a7828465
1567857761
hex423c3d09

1111244041 has 2 divisors, whose sum is σ = 1111244042. Its totient is φ = 1111244040.

The previous prime is 1111244039. The next prime is 1111244047. The reversal of 1111244041 is 1404421111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874976400 + 236267641 = 29580^2 + 15371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111244041 - 21 = 1111244039 is a prime.

Together with 1111244039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111244047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555622020 + 555622021.

It is an arithmetic number, because the mean of its divisors is an integer number (555622021).

Almost surely, 21111244041 is an apocalyptic number.

It is an amenable number.

1111244041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111244041 is an equidigital number, since it uses as much as digits as its factorization.

1111244041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1111244041 is about 33335.3272220328. The cubic root of 1111244041 is about 1035.7854714114.

Adding to 1111244041 its reverse (1404421111), we get a palindrome (2515665152).

The spelling of 1111244041 in words is "one billion, one hundred eleven million, two hundred forty-four thousand, forty-one".