1020827 has 2 divisors, whose sum is σ = 1020828. Its totient is φ = 1020826.

The previous prime is 1020823. The next prime is 1020839. The reversal of 1020827 is 7280201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020827 - 2² = 1020823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020799 and 1020808.

It is not a weakly prime, because it can be changed into another prime (1020821) 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, 510413 + 510414.

It is an arithmetic number, because the mean of its divisors is an integer number (510414).

2^1020827 is an apocalyptic number.

1020827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020827 is an equidigital number, since it uses as much as digits as its factorization.

1020827 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1020827 is about 1010.3598368898. The cubic root of 1020827 is about 100.6894687369.

The spelling of 1020827 in words is "one million, twenty thousand, eight hundred twenty-seven".