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1420012117 is a prime number
BaseRepresentation
bin101010010100011…
…1010101001010101
310122222000002102101
41110220322221111
510402010341432
6352523442101
750121622006
oct12450725125
93588002371
101420012117
11669618137
12337686331
13198267574
14d68411ad
15849e94e7
hex54a3aa55

1420012117 has 2 divisors, whose sum is σ = 1420012118. Its totient is φ = 1420012116.

The previous prime is 1420012103. The next prime is 1420012147. The reversal of 1420012117 is 7112100241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219336561 + 200675556 = 34919^2 + 14166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420012117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420012094 and 1420012103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420012147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710006058 + 710006059.

It is an arithmetic number, because the mean of its divisors is an integer number (710006059).

Almost surely, 21420012117 is an apocalyptic number.

It is an amenable number.

1420012117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420012117 is an equidigital number, since it uses as much as digits as its factorization.

1420012117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1420012117 is about 37683.0481383871. The cubic root of 1420012117 is about 1123.9940616468.

Adding to 1420012117 its reverse (7112100241), we get a palindrome (8532112358).

The spelling of 1420012117 in words is "one billion, four hundred twenty million, twelve thousand, one hundred seventeen".