Search a number
-
+
105121411 is a prime number
BaseRepresentation
bin1100100010000…
…00011010000011
321022210201110121
412101000122003
5203402341121
614233041111
72414342263
oct621003203
9238721417
10105121411
115437a2aa
122b256197
1318a17925
14dd657a3
159367141
hex6440683

105121411 has 2 divisors, whose sum is σ = 105121412. Its totient is φ = 105121410.

The previous prime is 105121397. The next prime is 105121427. The reversal of 105121411 is 114121501.

It is an a-pointer prime, because the next prime (105121427) can be obtained adding 105121411 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105121411 - 211 = 105119363 is a prime.

It is a super-2 number, since 2×1051214112 = 22101022101261842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105121451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52560705 + 52560706.

It is an arithmetic number, because the mean of its divisors is an integer number (52560706).

Almost surely, 2105121411 is an apocalyptic number.

105121411 is a deficient number, since it is larger than the sum of its proper divisors (1).

105121411 is an equidigital number, since it uses as much as digits as its factorization.

105121411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 105121411 is about 10252.8733045913. The cubic root of 105121411 is about 471.9511628945.

Adding to 105121411 its reverse (114121501), we get a palindrome (219242912).

The spelling of 105121411 in words is "one hundred five million, one hundred twenty-one thousand, four hundred eleven".