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1042201717 is a prime number
BaseRepresentation
bin111110000111101…
…011110001110101
32200122002022222121
4332013223301311
54113300423332
6251225555541
734553365654
oct7607536165
92618068877
101042201717
11495328637
12251045bb1
13137bc4c0b
149c5b519b
156176a797
hex3e1ebc75

1042201717 has 2 divisors, whose sum is σ = 1042201718. Its totient is φ = 1042201716.

The previous prime is 1042201709. The next prime is 1042201747. The reversal of 1042201717 is 7171022401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531486916 + 510714801 = 23054^2 + 22599^2 .

It is an emirp because it is prime and its reverse (7171022401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042201717 - 23 = 1042201709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042201691 and 1042201700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042201747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521100858 + 521100859.

It is an arithmetic number, because the mean of its divisors is an integer number (521100859).

Almost surely, 21042201717 is an apocalyptic number.

It is an amenable number.

1042201717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042201717 is an equidigital number, since it uses as much as digits as its factorization.

1042201717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1042201717 is about 32283.1491183868. The cubic root of 1042201717 is about 1013.8738647117.

The spelling of 1042201717 in words is "one billion, forty-two million, two hundred one thousand, seven hundred seventeen".