1039145 has 16 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 783360.

The previous prime is 1039139. The next prime is 1039153. The reversal of 1039145 is 5419301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6889 + 1032256 = 83^2 + 1016^2 .

It is not a de Polignac number, because 1039145 - 2⁶ = 1039081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1039145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7517 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (82593).

2^1039145 is an apocalyptic number.

It is an amenable number.

1039145 is a deficient number, since it is larger than the sum of its proper divisors (282343).

1039145 is a wasteful number, since it uses less digits than its factorization.

1039145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1039145 is about 1019.3846182869. The cubic root of 1039145 is about 101.2881683056.

The spelling of 1039145 in words is "one million, thirty-nine thousand, one hundred forty-five".