1040069 has 2 divisors, whose sum is σ = 1040070. Its totient is φ = 1040068.

The previous prime is 1040059. The next prime is 1040071. The reversal of 1040069 is 9600401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 297025 = 862^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040069 - 2¹² = 1035973 is a prime.

It is a super-2 number, since 2×1040069² = 2163487049522, which contains 22 as substring.

Together with 1040071, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520034 + 520035.

It is an arithmetic number, because the mean of its divisors is an integer number (520035).

2^1040069 is an apocalyptic number.

It is an amenable number.

1040069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040069 is an equidigital number, since it uses as much as digits as its factorization.

1040069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1040069 is about 1019.8377321908. The cubic root of 1040069 is about 101.3181809735.

The spelling of 1040069 in words is "one million, forty thousand, sixty-nine".