1020835 has 8 divisors (see below), whose sum is σ = 1245456. Its totient is φ = 803040.

The previous prime is 1020827. The next prime is 1020839. The reversal of 1020835 is 5380201.

It is a happy number.

1020835 is nontrivially palindromic in base 9.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020835 - 2³ = 1020827 is a prime.

It is a Duffinian number.

1020835 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1020839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (155682).

2^1020835 is an apocalyptic number.

1020835 is a deficient number, since it is larger than the sum of its proper divisors (224621).

1020835 is an equidigital number, since it uses as much as digits as its factorization.

1020835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1020835 is about 1010.3637958676. The cubic root of 1020835 is about 100.6897317634.

The spelling of 1020835 in words is "one million, twenty thousand, eight hundred thirty-five".