1320159 has 8 divisors (see below), whose sum is σ = 1803312. Its totient is φ = 858560.

The previous prime is 1320157. The next prime is 1320161. The reversal of 1320159 is 9510231.

It is an interprime number because it is at equal distance from previous prime (1320157) and next prime (1320161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320159 - 2¹ = 1320157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320157) 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 7 ways as a sum of consecutive naturals, for example, 5244 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (225414).

2^1320159 is an apocalyptic number.

1320159 is a deficient number, since it is larger than the sum of its proper divisors (483153).

1320159 is a wasteful number, since it uses less digits than its factorization.

1320159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1320159 is about 1148.9817230922. The cubic root of 1320159 is about 109.7005353377.

The spelling of 1320159 in words is "one million, three hundred twenty thousand, one hundred fifty-nine".