1120547 has 2 divisors, whose sum is σ = 1120548. Its totient is φ = 1120546.

The previous prime is 1120543. The next prime is 1120549. The reversal of 1120547 is 7450211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7450211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120547 - 2² = 1120543 is a prime.

Together with 1120549, it forms a pair of twin primes.

It is a Chen prime.

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, 560273 + 560274.

It is an arithmetic number, because the mean of its divisors is an integer number (560274).

2^1120547 is an apocalyptic number.

1120547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120547 is an equidigital number, since it uses as much as digits as its factorization.

1120547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1120547 is about 1058.5589260877. The cubic root of 1120547 is about 103.8667857990.

Adding to 1120547 its reverse (7450211), we get a palindrome (8570758).

It can be divided in two parts, 112054 and 7, that multiplied together give a triangular number (784378 = T₁₂₅₂).

The spelling of 1120547 in words is "one million, one hundred twenty thousand, five hundred forty-seven".