1100990171 has 2 divisors, whose sum is σ = 1100990172. Its totient is φ = 1100990170.

The previous prime is 1100990129. The next prime is 1100990213. The reversal of 1100990171 is 1710990011.

It is a balanced prime because it is at equal distance from previous prime (1100990129) and next prime (1100990213).

It is a cyclic number.

It is not a de Polignac number, because 1100990171 - 2¹⁴ = 1100973787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100990971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550495085 + 550495086.

It is an arithmetic number, because the mean of its divisors is an integer number (550495086).

Almost surely, 2^1100990171 is an apocalyptic number.

1100990171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100990171 is an equidigital number, since it uses as much as digits as its factorization.

1100990171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 1100990171 is about 33181.1719353009. The cubic root of 1100990171 is about 1032.5897600910.

The spelling of 1100990171 in words is "one billion, one hundred million, nine hundred ninety thousand, one hundred seventy-one".