Search a number
-
+
1195801 is a prime number
BaseRepresentation
bin100100011111100011001
32020202022221
410203330121
5301231201
641344041
713110205
oct4437431
92222287
101195801
11747472
12498021
1332b399
14231b05
151894a1
hex123f19

1195801 has 2 divisors, whose sum is σ = 1195802. Its totient is φ = 1195800.

The previous prime is 1195771. The next prime is 1195807. The reversal of 1195801 is 1085911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 38025 = 1076^2 + 195^2 .

It is an emirp because it is prime and its reverse (1085911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1195801 - 27 = 1195673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1195807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597900 + 597901.

It is an arithmetic number, because the mean of its divisors is an integer number (597901).

21195801 is an apocalyptic number.

It is an amenable number.

1195801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195801 is an equidigital number, since it uses as much as digits as its factorization.

1195801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 1195801 is about 1093.5268629531. The cubic root of 1195801 is about 106.1417647510.

The spelling of 1195801 in words is "one million, one hundred ninety-five thousand, eight hundred one".