1092242857 has 2 divisors, whose sum is σ = 1092242858. Its totient is φ = 1092242856.

The previous prime is 1092242831. The next prime is 1092242887. The reversal of 1092242857 is 7582422901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669981456 + 422261401 = 25884^2 + 20549^2 .

It is an emirp because it is prime and its reverse (7582422901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1092242857 - 2¹⁵ = 1092210089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1092242807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546121428 + 546121429.

It is an arithmetic number, because the mean of its divisors is an integer number (546121429).

Almost surely, 2^1092242857 is an apocalyptic number.

It is an amenable number.

1092242857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092242857 is an equidigital number, since it uses as much as digits as its factorization.

1092242857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1092242857 is about 33049.0976730077. The cubic root of 1092242857 is about 1029.8478604584.

The spelling of 1092242857 in words is "one billion, ninety-two million, two hundred forty-two thousand, eight hundred fifty-seven".