1069987 has 2 divisors, whose sum is σ = 1069988. Its totient is φ = 1069986.

The previous prime is 1069979. The next prime is 1070009. The reversal of 1069987 is 7899601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1069987 - 2³ = 1069979 is a prime.

It is a super-2 number, since 2×1069987² = 2289744360338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1069927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534993 + 534994.

It is an arithmetic number, because the mean of its divisors is an integer number (534994).

2^1069987 is an apocalyptic number.

1069987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069987 is an equidigital number, since it uses as much as digits as its factorization.

1069987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1069987 is about 1034.4017594726. The cubic root of 1069987 is about 102.2804979535.

The spelling of 1069987 in words is "one million, sixty-nine thousand, nine hundred eighty-seven".