1022985 has 24 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 538272.

The previous prime is 1022981. The next prime is 1023019. The reversal of 1022985 is 5892201.

1022985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022985 - 2² = 1022981 is a prime.

1022985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1022981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5626 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (74880).

2^1022985 is an apocalyptic number.

1022985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022985 is a deficient number, since it is larger than the sum of its proper divisors (774135).

1022985 is a wasteful number, since it uses less digits than its factorization.

1022985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1022985 is about 1011.4272094422. The cubic root of 1022985 is about 100.7603703816.

The spelling of 1022985 in words is "one million, twenty-two thousand, nine hundred eighty-five".