1120543 has 2 divisors, whose sum is σ = 1120544. Its totient is φ = 1120542.

The previous prime is 1120541. The next prime is 1120547. The reversal of 1120543 is 3450211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3450211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120543 - 2¹ = 1120541 is a prime.

It is a super-2 number, since 2×1120543² = 2511233229698, which contains 22 as substring.

Together with 1120541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560271 + 560272.

It is an arithmetic number, because the mean of its divisors is an integer number (560272).

2^1120543 is an apocalyptic number.

1120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120543 is an equidigital number, since it uses as much as digits as its factorization.

1120543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1120543 is about 1058.5570367250. The cubic root of 1120543 is about 103.8666622082.

Adding to 1120543 its reverse (3450211), we get a palindrome (4570754).

The spelling of 1120543 in words is "one million, one hundred twenty thousand, five hundred forty-three".