1095897287 has 2 divisors, whose sum is σ = 1095897288. Its totient is φ = 1095897286.

The previous prime is 1095897247. The next prime is 1095897289. The reversal of 1095897287 is 7827985901.

It is a strong prime.

It is an emirp because it is prime and its reverse (7827985901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1095897287 - 2¹⁸ = 1095635143 is a prime.

Together with 1095897289, 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 (1095897289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547948643 + 547948644.

It is an arithmetic number, because the mean of its divisors is an integer number (547948644).

Almost surely, 2^1095897287 is an apocalyptic number.

1095897287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095897287 is an equidigital number, since it uses as much as digits as its factorization.

1095897287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The square root of 1095897287 is about 33104.3393983327. The cubic root of 1095897287 is about 1030.9951380866.

The spelling of 1095897287 in words is "one billion, ninety-five million, eight hundred ninety-seven thousand, two hundred eighty-seven".