1084987 has 2 divisors, whose sum is σ = 1084988. Its totient is φ = 1084986.

The previous prime is 1084981. The next prime is 1084997. The reversal of 1084987 is 7894801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1084987 - 2⁷ = 1084859 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 0 + 8³ + 4¹⁰ + 9³ + 8⁵ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (1084981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542493 + 542494.

It is an arithmetic number, because the mean of its divisors is an integer number (542494).

2^1084987 is an apocalyptic number.

1084987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084987 is an equidigital number, since it uses as much as digits as its factorization.

1084987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1084987 is about 1041.6270925816. The cubic root of 1084987 is about 102.7562337983.

The spelling of 1084987 in words is "one million, eighty-four thousand, nine hundred eighty-seven".