1045089 has 8 divisors (see below), whose sum is σ = 1548320. Its totient is φ = 696708.

The previous prime is 1045081. The next prime is 1045111. The reversal of 1045089 is 9805401.

It is not a de Polignac number, because 1045089 - 2³ = 1045081 is a prime.

It is a super-2 number, since 2×1045089² = 2184422035842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38707 = 1045089 / (1 + 0 + 4 + 5 + 0 + 8 + 9).

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1045081) 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, 19327 + ... + 19380.

It is an arithmetic number, because the mean of its divisors is an integer number (193540).

2^1045089 is an apocalyptic number.

It is an amenable number.

1045089 is a deficient number, since it is larger than the sum of its proper divisors (503231).

1045089 is an equidigital number, since it uses as much as digits as its factorization.

1045089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38716 (or 38710 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1045089 is about 1022.2959454092. The cubic root of 1045089 is about 101.4809269572.

Adding to 1045089 its product of nonzero digits (1440), we get a square (1046529 = 1023²).

The spelling of 1045089 in words is "one million, forty-five thousand, eighty-nine".