1321068 has 24 divisors (see below), whose sum is σ = 3523072. Its totient is φ = 377424.

The previous prime is 1321063. The next prime is 1321079. The reversal of 1321068 is 8601231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1321063) 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, 7780 + ... + 7947.

2^1321068 is an apocalyptic number.

It is an amenable number.

1321068 is an abundant number, since it is smaller than the sum of its proper divisors (2202004).

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

1321068 is a wasteful number, since it uses less digits than its factorization.

1321068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15741 (or 15739 counting only the distinct ones).

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

The square root of 1321068 is about 1149.3772226732. The cubic root of 1321068 is about 109.7257077875.

Adding to 1321068 its reverse (8601231), we get a palindrome (9922299).

The spelling of 1321068 in words is "one million, three hundred twenty-one thousand, sixty-eight".