1105555247 has 2 divisors, whose sum is σ = 1105555248. Its totient is φ = 1105555246.

The previous prime is 1105555159. The next prime is 1105555259. The reversal of 1105555247 is 7425555011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105555247 - 2⁸ = 1105554991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105558247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552777623 + 552777624.

It is an arithmetic number, because the mean of its divisors is an integer number (552777624).

Almost surely, 2^1105555247 is an apocalyptic number.

1105555247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105555247 is an equidigital number, since it uses as much as digits as its factorization.

1105555247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 1105555247 is about 33249.8909321519. The cubic root of 1105555247 is about 1034.0149470882.

The spelling of 1105555247 in words is "one billion, one hundred five million, five hundred fifty-five thousand, two hundred forty-seven".