1021368 has 16 divisors (see below), whose sum is σ = 2553480. Its totient is φ = 340448.

The previous prime is 1021367. The next prime is 1021369. The reversal of 1021368 is 8631201.

It is an interprime number because it is at equal distance from previous prime (1021367) and next prime (1021369).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21255 + ... + 21302.

2^1021368 is an apocalyptic number.

It is an amenable number.

1021368 is an abundant number, since it is smaller than the sum of its proper divisors (1532112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021368 is a wasteful number, since it uses less digits than its factorization.

1021368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42566 (or 42562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1021368 is about 1010.6275278262. The cubic root of 1021368 is about 100.7072528089.

Adding to 1021368 its reverse (8631201), we get a palindrome (9652569).

The spelling of 1021368 in words is "one million, twenty-one thousand, three hundred sixty-eight".