1105345187 has 2 divisors, whose sum is σ = 1105345188. Its totient is φ = 1105345186.

The previous prime is 1105345177. The next prime is 1105345223. The reversal of 1105345187 is 7815435011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105345187 - 2⁶ = 1105345123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105345127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552672593 + 552672594.

It is an arithmetic number, because the mean of its divisors is an integer number (552672594).

Almost surely, 2^1105345187 is an apocalyptic number.

1105345187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105345187 is an equidigital number, since it uses as much as digits as its factorization.

1105345187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1105345187 is about 33246.7319747370. The cubic root of 1105345187 is about 1033.9494539228.

The spelling of 1105345187 in words is "one billion, one hundred five million, three hundred forty-five thousand, one hundred eighty-seven".