1040629 has 2 divisors, whose sum is σ = 1040630. Its totient is φ = 1040628.

The previous prime is 1040597. The next prime is 1040651. The reversal of 1040629 is 9260401.

It is an a-pointer prime, because the next prime (1040651) can be obtained adding 1040629 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 10404 = 1015^2 + 102^2 .

It is an emirp because it is prime and its reverse (9260401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040629 - 2⁵ = 1040597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040659) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520314 + 520315.

It is an arithmetic number, because the mean of its divisors is an integer number (520315).

2^1040629 is an apocalyptic number.

It is an amenable number.

1040629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040629 is an equidigital number, since it uses as much as digits as its factorization.

1040629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1040629 is about 1020.1122487256. The cubic root of 1040629 is about 101.3363618189.

The spelling of 1040629 in words is "one million, forty thousand, six hundred twenty-nine".