1022087 has 6 divisors (see below), whose sum is σ = 1123584. Its totient is φ = 929060.

The previous prime is 1022083. The next prime is 1022113. The reversal of 1022087 is 7802201.

It is not a de Polignac number, because 1022087 - 2² = 1022083 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4103 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (187264).

2^1022087 is an apocalyptic number.

1022087 is a deficient number, since it is larger than the sum of its proper divisors (101497).

1022087 is an equidigital number, since it uses as much as digits as its factorization.

1022087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1022087 is about 1010.9831848255. The cubic root of 1022087 is about 100.7308784856.

Adding to 1022087 its reverse (7802201), we get a palindrome (8824288).

The spelling of 1022087 in words is "one million, twenty-two thousand, eighty-seven".