1112006257 has 2 divisors, whose sum is σ = 1112006258. Its totient is φ = 1112006256.

The previous prime is 1112006243. The next prime is 1112006281. The reversal of 1112006257 is 7526002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626200576 + 485805681 = 25024^2 + 22041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112006257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112006557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556003128 + 556003129.

It is an arithmetic number, because the mean of its divisors is an integer number (556003129).

Almost surely, 2^1112006257 is an apocalyptic number.

It is an amenable number.

1112006257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112006257 is an equidigital number, since it uses as much as digits as its factorization.

1112006257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1112006257 is about 33346.7578184147. The cubic root of 1112006257 is about 1036.0222366316.

Adding to 1112006257 its reverse (7526002111), we get a palindrome (8638008368).

The spelling of 1112006257 in words is "one billion, one hundred twelve million, six thousand, two hundred fifty-seven".