1045027289 has 4 divisors (see below), whose sum is σ = 1045128756. Its totient is φ = 1044925824.

The previous prime is 1045027171. The next prime is 1045027301. The reversal of 1045027289 is 9827205401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 729432064 + 315595225 = 27008^2 + 17765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045027289 - 2²⁴ = 1028250073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045023289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33284 + ... + 56549.

It is an arithmetic number, because the mean of its divisors is an integer number (261282189).

Almost surely, 2^1045027289 is an apocalyptic number.

It is an amenable number.

1045027289 is a deficient number, since it is larger than the sum of its proper divisors (101467).

1045027289 is an equidigital number, since it uses as much as digits as its factorization.

1045027289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101466.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1045027289 is about 32326.8818323079. The cubic root of 1045027289 is about 1014.7892948374.

The spelling of 1045027289 in words is "one billion, forty-five million, twenty-seven thousand, two hundred eighty-nine".