1026887 has 2 divisors, whose sum is σ = 1026888. Its totient is φ = 1026886.

The previous prime is 1026859. The next prime is 1026899. The reversal of 1026887 is 7886201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026887 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 (1026847) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513443 + 513444.

It is an arithmetic number, because the mean of its divisors is an integer number (513444).

2^1026887 is an apocalyptic number.

1026887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026887 is an equidigital number, since it uses as much as digits as its factorization.

1026887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1026887 is about 1013.3543309228. The cubic root of 1026887 is about 100.8883188633. Note that the first 3 decimals are identical.

The spelling of 1026887 in words is "one million, twenty-six thousand, eight hundred eighty-seven".