1112857 has 2 divisors, whose sum is σ = 1112858. Its totient is φ = 1112856.

The previous prime is 1112833. The next prime is 1112897. The reversal of 1112857 is 7582111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 259081 = 924^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112857 - 2⁷ = 1112729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112827) 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, 556428 + 556429.

It is an arithmetic number, because the mean of its divisors is an integer number (556429).

2^1112857 is an apocalyptic number.

It is an amenable number.

1112857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112857 is an equidigital number, since it uses as much as digits as its factorization.

1112857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560, while the sum is 25.

The square root of 1112857 is about 1054.9203761422. The cubic root of 1112857 is about 103.6286373033.

Adding to 1112857 its reverse (7582111), we get a palindrome (8694968).

The spelling of 1112857 in words is "one million, one hundred twelve thousand, eight hundred fifty-seven".