1020518 has 8 divisors (see below), whose sum is σ = 1535112. Its totient is φ = 508816.

The previous prime is 1020517. The next prime is 1020529. The reversal of 1020518 is 8150201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020496 and 1020505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020517) 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 3 ways as a sum of consecutive naturals, for example, 821 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (191889).

2^1020518 is an apocalyptic number.

1020518 is a deficient number, since it is larger than the sum of its proper divisors (514594).

1020518 is an equidigital number, since it uses as much as digits as its factorization.

1020518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1020518 is about 1010.2069094992. The cubic root of 1020518 is about 100.6793082867.

Adding to 1020518 its reverse (8150201), we get a palindrome (9170719).

The spelling of 1020518 in words is "one million, twenty thousand, five hundred eighteen".