1112147 has 2 divisors, whose sum is σ = 1112148. Its totient is φ = 1112146.

The previous prime is 1112143. The next prime is 1112159. The reversal of 1112147 is 7412111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112147 - 2² = 1112143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1112141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556073 + 556074.

It is an arithmetic number, because the mean of its divisors is an integer number (556074).

2^1112147 is an apocalyptic number.

1112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112147 is an equidigital number, since it uses as much as digits as its factorization.

1112147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56, while the sum is 17.

The square root of 1112147 is about 1054.5838041616. The cubic root of 1112147 is about 103.6065943438.

Adding to 1112147 its reverse (7412111), we get a palindrome (8524258).

The spelling of 1112147 in words is "one million, one hundred twelve thousand, one hundred forty-seven".