1067987 has 2 divisors, whose sum is σ = 1067988. Its totient is φ = 1067986.

The previous prime is 1067951. The next prime is 1067999. The reversal of 1067987 is 7897601.

It is a happy number.

1067987 is nontrivially palindromic in base 9.

It is a strong prime.

It is an emirp because it is prime and its reverse (7897601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1067987 - 2¹² = 1063891 is a prime.

It is a super-2 number, since 2×1067987² = 2281192464338, which contains 22 as substring.

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 1067987.

It is not a weakly prime, because it can be changed into another prime (1067387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533993 + 533994.

It is an arithmetic number, because the mean of its divisors is an integer number (533994).

2^1067987 is an apocalyptic number.

1067987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067987 is an equidigital number, since it uses as much as digits as its factorization.

1067987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1067987 is about 1033.4345649338. The cubic root of 1067987 is about 102.2167312653.

The spelling of 1067987 in words is "one million, sixty-seven thousand, nine hundred eighty-seven".