1105090247 has 2 divisors, whose sum is σ = 1105090248. Its totient is φ = 1105090246.

The previous prime is 1105090159. The next prime is 1105090249. The reversal of 1105090247 is 7420905011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105090247 - 2²⁰ = 1104041671 is a prime.

Together with 1105090249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105090249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552545123 + 552545124.

It is an arithmetic number, because the mean of its divisors is an integer number (552545124).

Almost surely, 2^1105090247 is an apocalyptic number.

1105090247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105090247 is an equidigital number, since it uses as much as digits as its factorization.

1105090247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1105090247 is about 33242.8976925899. The cubic root of 1105090247 is about 1033.8699567832.

Adding to 1105090247 its reverse (7420905011), we get a palindrome (8525995258).

The spelling of 1105090247 in words is "one billion, one hundred five million, ninety thousand, two hundred forty-seven".