1112045257 has 2 divisors, whose sum is σ = 1112045258. Its totient is φ = 1112045256.

The previous prime is 1112045219. The next prime is 1112045269. The reversal of 1112045257 is 7525402111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030666816 + 81378441 = 32104^2 + 9021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112045257 - 2¹¹ = 1112043209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112045057) 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, 556022628 + 556022629.

It is an arithmetic number, because the mean of its divisors is an integer number (556022629).

Almost surely, 2^1112045257 is an apocalyptic number.

It is an amenable number.

1112045257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112045257 is an equidigital number, since it uses as much as digits as its factorization.

1112045257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1112045257 is about 33347.3425777827. The cubic root of 1112045257 is about 1036.0343481926.

Adding to 1112045257 its reverse (7525402111), we get a palindrome (8637447368).

The spelling of 1112045257 in words is "one billion, one hundred twelve million, forty-five thousand, two hundred fifty-seven".