1120545361 has 8 divisors (see below), whose sum is σ = 1277726184. Its totient is φ = 973505280.

The previous prime is 1120545353. The next prime is 1120545367. The reversal of 1120545361 is 1635450211.

It can be written as a sum of positive squares in 4 ways, for example, as 340181136 + 780364225 = 18444^2 + 27935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120545361 - 2³ = 1120545353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120545367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534950 + ... + 2535391.

It is an arithmetic number, because the mean of its divisors is an integer number (159715773).

Almost surely, 2^1120545361 is an apocalyptic number.

It is an amenable number.

1120545361 is a deficient number, since it is larger than the sum of its proper divisors (157180823).

1120545361 is a wasteful number, since it uses less digits than its factorization.

1120545361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070371.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1120545361 is about 33474.5479581129. The cubic root of 1120545361 is about 1038.6673515770.

Adding to 1120545361 its reverse (1635450211), we get a palindrome (2755995572).

The spelling of 1120545361 in words is "one billion, one hundred twenty million, five hundred forty-five thousand, three hundred sixty-one".