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1340121301 is a prime number
BaseRepresentation
bin100111111100000…
…1010000011010101
310110101200012211021
41033320022003111
510221032340201
6340551241141
745131562121
oct11770120325
93411605737
101340121301
11628510a72
123149791b1
13184844aac
14c9da6581
157c9b7ea1
hex4fe0a0d5

1340121301 has 2 divisors, whose sum is σ = 1340121302. Its totient is φ = 1340121300.

The previous prime is 1340121283. The next prime is 1340121317. The reversal of 1340121301 is 1031210431.

It is an a-pointer prime, because the next prime (1340121317) can be obtained adding 1340121301 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919666276 + 420455025 = 30326^2 + 20505^2 .

It is an emirp because it is prime and its reverse (1031210431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340121301 - 217 = 1339990229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340121401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670060650 + 670060651.

It is an arithmetic number, because the mean of its divisors is an integer number (670060651).

Almost surely, 21340121301 is an apocalyptic number.

It is an amenable number.

1340121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340121301 is an equidigital number, since it uses as much as digits as its factorization.

1340121301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1340121301 is about 36607.6672433522. The cubic root of 1340121301 is about 1102.5070369064.

Adding to 1340121301 its reverse (1031210431), we get a palindrome (2371331732).

The spelling of 1340121301 in words is "one billion, three hundred forty million, one hundred twenty-one thousand, three hundred one".