1020268 has 12 divisors (see below), whose sum is σ = 1792840. Its totient is φ = 508032.

The previous prime is 1020259. The next prime is 1020269. The reversal of 1020268 is 8620201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020269) 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, 1180 + ... + 1852.

2^1020268 is an apocalyptic number.

It is an amenable number.

1020268 is a deficient number, since it is larger than the sum of its proper divisors (772572).

1020268 is a wasteful number, since it uses less digits than its factorization.

1020268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1020268 is about 1010.0831648929. The cubic root of 1020268 is about 100.6710863567.

Adding to 1020268 its reverse (8620201), we get a palindrome (9640469).

The spelling of 1020268 in words is "one million, twenty thousand, two hundred sixty-eight".