Search a number
-
+
1121214461 is a prime number
BaseRepresentation
bin100001011010100…
…0101111111111101
32220010202121002112
41002311011333331
54244012330321
6303131303405
736533110553
oct10265057775
92803677075
101121214461
11525995024
122735aab65
1314b39ab13
14a8ca1bd3
1568676a5b
hex42d45ffd

1121214461 has 2 divisors, whose sum is σ = 1121214462. Its totient is φ = 1121214460.

The previous prime is 1121214397. The next prime is 1121214487. The reversal of 1121214461 is 1644121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942858436 + 178356025 = 30706^2 + 13355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121214461 - 26 = 1121214397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121214361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560607230 + 560607231.

It is an arithmetic number, because the mean of its divisors is an integer number (560607231).

Almost surely, 21121214461 is an apocalyptic number.

It is an amenable number.

1121214461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121214461 is an equidigital number, since it uses as much as digits as its factorization.

1121214461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

The square root of 1121214461 is about 33484.5406269819. The cubic root of 1121214461 is about 1038.8740467773.

Adding to 1121214461 its reverse (1644121211), we get a palindrome (2765335672).

The spelling of 1121214461 in words is "one billion, one hundred twenty-one million, two hundred fourteen thousand, four hundred sixty-one".