1120549 has 2 divisors, whose sum is σ = 1120550. Its totient is φ = 1120548.

The previous prime is 1120547. The next prime is 1120573. The reversal of 1120549 is 9450211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 431649 = 830^2 + 657^2 .

It is an emirp because it is prime and its reverse (9450211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120549 - 2¹ = 1120547 is a prime.

It is a super-2 number, since 2×1120549² = 2511260122802, which contains 22 as substring.

Together with 1120547, it forms a pair of twin primes.

It is a Chen prime.

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, 560274 + 560275.

It is an arithmetic number, because the mean of its divisors is an integer number (560275).

2^1120549 is an apocalyptic number.

It is an amenable number.

1120549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120549 is an equidigital number, since it uses as much as digits as its factorization.

1120549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1120549 is about 1058.5598707678. The cubic root of 1120549 is about 103.8668475942.

The spelling of 1120549 in words is "one million, one hundred twenty thousand, five hundred forty-nine".