1121047 has 2 divisors, whose sum is σ = 1121048. Its totient is φ = 1121046.

The previous prime is 1121033. The next prime is 1121051. The reversal of 1121047 is 7401211.

1121047 is nontrivially palindromic in base 5.

It is a strong prime.

It is an emirp because it is prime and its reverse (7401211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121047 - 2⁷ = 1120919 is a prime.

1121047 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560523 + 560524.

It is an arithmetic number, because the mean of its divisors is an integer number (560524).

2^1121047 is an apocalyptic number.

1121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121047 is an equidigital number, since it uses as much as digits as its factorization.

1121047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1121047 is about 1058.7950698790. The cubic root of 1121047 is about 103.8822323236.

Adding to 1121047 its reverse (7401211), we get a palindrome (8522258).

The spelling of 1121047 in words is "one million, one hundred twenty-one thousand, forty-seven".