Search a number
-
+
1322129 is a prime number
BaseRepresentation
bin101000010110010010001
32111011121202
411002302101
5314302004
644200545
714144414
oct5026221
92434552
101322129
11823376
12539155
13373a33
14265b7b
151b1b1e
hex142c91

1322129 has 2 divisors, whose sum is σ = 1322130. Its totient is φ = 1322128.

The previous prime is 1322117. The next prime is 1322137. The reversal of 1322129 is 9212231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 4225 = 1148^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322129 - 212 = 1318033 is a prime.

It is a super-3 number, since 3×13221293 = 6933344003125058067, which contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is equal to p101585 and since 1322129 and 101585 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322129.

It is not a weakly prime, because it can be changed into another prime (1322149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661064 + 661065.

It is an arithmetic number, because the mean of its divisors is an integer number (661065).

21322129 is an apocalyptic number.

It is an amenable number.

1322129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322129 is an equidigital number, since it uses as much as digits as its factorization.

1322129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 1322129 is about 1149.8386843379. The cubic root of 1322129 is about 109.7550748912.

The spelling of 1322129 in words is "one million, three hundred twenty-two thousand, one hundred twenty-nine".