Search a number
-
+
1021041223 is a prime number
BaseRepresentation
bin111100110110111…
…101101001000111
32122011021021020121
4330312331221013
54042341304343
6245152242411
734205464366
oct7466755107
92564237217
101021041223
11484395424
12245b40407
131336c6507
14998677dd
155e98aaed
hex3cdbda47

1021041223 has 2 divisors, whose sum is σ = 1021041224. Its totient is φ = 1021041222.

The previous prime is 1021041181. The next prime is 1021041253. The reversal of 1021041223 is 3221401201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021041223 - 221 = 1018944071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021041197 and 1021041206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021041253) 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, 510520611 + 510520612.

It is an arithmetic number, because the mean of its divisors is an integer number (510520612).

Almost surely, 21021041223 is an apocalyptic number.

1021041223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021041223 is an equidigital number, since it uses as much as digits as its factorization.

1021041223 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 1021041223 is about 31953.7356658028. The cubic root of 1021041223 is about 1006.9651155331.

Adding to 1021041223 its reverse (3221401201), we get a palindrome (4242442424).

The spelling of 1021041223 in words is "one billion, twenty-one million, forty-one thousand, two hundred twenty-three".