1001106191 has 2 divisors, whose sum is σ = 1001106192. Its totient is φ = 1001106190.

The previous prime is 1001106173. The next prime is 1001106209. The reversal of 1001106191 is 1916011001.

It is a balanced prime because it is at equal distance from previous prime (1001106173) and next prime (1001106209).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001106191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001106101) 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, 500553095 + 500553096.

It is an arithmetic number, because the mean of its divisors is an integer number (500553096).

Almost surely, 2^1001106191 is an apocalyptic number.

1001106191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001106191 is an equidigital number, since it uses as much as digits as its factorization.

1001106191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The square root of 1001106191 is about 31640.2621828581. The cubic root of 1001106191 is about 1000.3685944548.

Adding to 1001106191 its reverse (1916011001), we get a palindrome (2917117192).

The spelling of 1001106191 in words is "one billion, one million, one hundred six thousand, one hundred ninety-one".