1106621843 has 2 divisors, whose sum is σ = 1106621844. Its totient is φ = 1106621842.

The previous prime is 1106621797. The next prime is 1106621861. The reversal of 1106621843 is 3481266011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1106621843 - 2⁶ = 1106621779 is a prime.

It is a super-2 number, since 2×1106621843² = 2449223806809433298, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100621843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553310921 + 553310922.

It is an arithmetic number, because the mean of its divisors is an integer number (553310922).

Almost surely, 2^1106621843 is an apocalyptic number.

1106621843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106621843 is an equidigital number, since it uses as much as digits as its factorization.

1106621843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1106621843 is about 33265.9261557528. The cubic root of 1106621843 is about 1034.3473657918.

Adding to 1106621843 its reverse (3481266011), we get a palindrome (4587887854).

The spelling of 1106621843 in words is "one billion, one hundred six million, six hundred twenty-one thousand, eight hundred forty-three".