1105243171 has 2 divisors, whose sum is σ = 1105243172. Its totient is φ = 1105243170.

The previous prime is 1105243159. The next prime is 1105243177. The reversal of 1105243171 is 1713425011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105243171 - 2⁷ = 1105243043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105243177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552621585 + 552621586.

It is an arithmetic number, because the mean of its divisors is an integer number (552621586).

Almost surely, 2^1105243171 is an apocalyptic number.

1105243171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105243171 is an equidigital number, since it uses as much as digits as its factorization.

1105243171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1105243171 is about 33245.1977133540. The cubic root of 1105243171 is about 1033.9176440611.

Adding to 1105243171 its reverse (1713425011), we get a palindrome (2818668182).

The spelling of 1105243171 in words is "one billion, one hundred five million, two hundred forty-three thousand, one hundred seventy-one".