Search a number
-
+
1242601 is a prime number
BaseRepresentation
bin100101111010111101001
32100010112021
410233113221
5304230401
642344441
713363513
oct4572751
92303467
101242601
11779648
124bb121
13346789
14244bb3
151982a1
hex12f5e9

1242601 has 2 divisors, whose sum is σ = 1242602. Its totient is φ = 1242600.

The previous prime is 1242569. The next prime is 1242611. The reversal of 1242601 is 1062421.

1242601 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724201 + 518400 = 851^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242601 - 25 = 1242569 is a prime.

1242601 is a lucky number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (1242611) 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, 621300 + 621301.

It is an arithmetic number, because the mean of its divisors is an integer number (621301).

21242601 is an apocalyptic number.

It is an amenable number.

1242601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242601 is an equidigital number, since it uses as much as digits as its factorization.

1242601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1242601 is about 1114.7201442515. The cubic root of 1242601 is about 107.5087715936.

The spelling of 1242601 in words is "one million, two hundred forty-two thousand, six hundred one".