Search a number
-
+
1105218941 is a prime number
BaseRepresentation
bin100000111100000…
…0100110101111101
32212000122221100212
41001320010311331
54230414001231
6301400402205
736250130441
oct10170046575
92760587325
101105218941
1151795a392
1226a176365
13147c8a308
14a6ada821
156706742b
hex41e04d7d

1105218941 has 2 divisors, whose sum is σ = 1105218942. Its totient is φ = 1105218940.

The previous prime is 1105218899. The next prime is 1105218949. The reversal of 1105218941 is 1498125011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936972100 + 168246841 = 30610^2 + 12971^2 .

It is an emirp because it is prime and its reverse (1498125011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105218941 - 210 = 1105217917 is a prime.

It is a super-2 number, since 2×11052189412 = 2443017815090322962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105218898 and 1105218907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105218949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552609470 + 552609471.

It is an arithmetic number, because the mean of its divisors is an integer number (552609471).

Almost surely, 21105218941 is an apocalyptic number.

It is an amenable number.

1105218941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105218941 is an equidigital number, since it uses as much as digits as its factorization.

1105218941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1105218941 is about 33244.8332978224. The cubic root of 1105218941 is about 1033.9100885571.

The spelling of 1105218941 in words is "one billion, one hundred five million, two hundred eighteen thousand, nine hundred forty-one".