1040065229 has 12 divisors (see below), whose sum is σ = 1218710844. Its totient is φ = 884971584.

The previous prime is 1040065223. The next prime is 1040065241. The reversal of 1040065229 is 9225600401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 878826025 + 161239204 = 29645^2 + 12698^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1040065229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040065223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70754 + ... + 84179.

It is an arithmetic number, because the mean of its divisors is an integer number (101559237).

Almost surely, 2^1040065229 is an apocalyptic number.

It is an amenable number.

1040065229 is a deficient number, since it is larger than the sum of its proper divisors (178645615).

1040065229 is a wasteful number, since it uses less digits than its factorization.

1040065229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155084 (or 155077 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1040065229 is about 32250.0423100498. The cubic root of 1040065229 is about 1013.1805852282.

The spelling of 1040065229 in words is "one billion, forty million, sixty-five thousand, two hundred twenty-nine".