1321067 has 4 divisors (see below), whose sum is σ = 1441176. Its totient is φ = 1200960.

The previous prime is 1321063. The next prime is 1321079. The reversal of 1321067 is 7601231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1321067 - 2² = 1321063 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 60038 + ... + 60059.

It is an arithmetic number, because the mean of its divisors is an integer number (360294).

2^1321067 is an apocalyptic number.

1321067 is a deficient number, since it is larger than the sum of its proper divisors (120109).

1321067 is a wasteful number, since it uses less digits than its factorization.

1321067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120108.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1321067 is about 1149.3767876549. The cubic root of 1321067 is about 109.7256801013.

Adding to 1321067 its reverse (7601231), we get a palindrome (8922298).

The spelling of 1321067 in words is "one million, three hundred twenty-one thousand, sixty-seven".