Search a number
-
+
1422020101 is a prime number
BaseRepresentation
bin101010011000010…
…0100111000000101
310200002210002212011
41110300210320011
510403014120401
6353034454221
750144654125
oct12460447005
93602702764
101422020101
1166a769827
12338294371
131987bb518
14d6c04c85
1584c94451
hex54c24e05

1422020101 has 2 divisors, whose sum is σ = 1422020102. Its totient is φ = 1422020100.

The previous prime is 1422020099. The next prime is 1422020111. The reversal of 1422020101 is 1010202241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376781025 + 45239076 = 37105^2 + 6726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422020101 - 21 = 1422020099 is a prime.

Together with 1422020099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711010050 + 711010051.

It is an arithmetic number, because the mean of its divisors is an integer number (711010051).

Almost surely, 21422020101 is an apocalyptic number.

It is an amenable number.

1422020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422020101 is an equidigital number, since it uses as much as digits as its factorization.

1422020101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1422020101 is about 37709.6817939372. The cubic root of 1422020101 is about 1124.5236109072.

Adding to 1422020101 its reverse (1010202241), we get a palindrome (2432222342).

The spelling of 1422020101 in words is "one billion, four hundred twenty-two million, twenty thousand, one hundred one".