1320167 has 4 divisors (see below), whose sum is σ = 1365720. Its totient is φ = 1274616.

The previous prime is 1320161. The next prime is 1320173. The reversal of 1320167 is 7610231.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1320161) and next prime (1320173).

It is a cyclic number.

It is not a de Polignac number, because 1320167 - 2¹² = 1316071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320161) 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, 22733 + ... + 22790.

It is an arithmetic number, because the mean of its divisors is an integer number (341430).

2^1320167 is an apocalyptic number.

1320167 is a deficient number, since it is larger than the sum of its proper divisors (45553).

1320167 is an equidigital number, since it uses as much as digits as its factorization.

1320167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45552.

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

The square root of 1320167 is about 1148.9852044304. The cubic root of 1320167 is about 109.7007569278.

Adding to 1320167 its reverse (7610231), we get a palindrome (8930398).

Subtracting 1320167 from its reverse (7610231), we obtain a square (6290064 = 2508²).

The spelling of 1320167 in words is "one million, three hundred twenty thousand, one hundred sixty-seven".