1020662 has 4 divisors (see below), whose sum is σ = 1530996. Its totient is φ = 510330.

The previous prime is 1020631. The next prime is 1020667. The reversal of 1020662 is 2660201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2660201 = 379 ⋅7019.

It is a self number, because there is not a number n which added to its sum of digits gives 1020662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020667) 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, 255164 + ... + 255167.

It is an arithmetic number, because the mean of its divisors is an integer number (382749).

2^1020662 is an apocalyptic number.

1020662 is a deficient number, since it is larger than the sum of its proper divisors (510334).

1020662 is an equidigital number, since it uses as much as digits as its factorization.

1020662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510333.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1020662 is about 1010.2781795129. The cubic root of 1020662 is about 100.6840435090.

Adding to 1020662 its reverse (2660201), we get a palindrome (3680863).

The spelling of 1020662 in words is "one million, twenty thousand, six hundred sixty-two".