1328155 has 8 divisors (see below), whose sum is σ = 1599984. Its totient is φ = 1058400.

The previous prime is 1328143. The next prime is 1328161. The reversal of 1328155 is 5518231.

It is a happy number.

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

It is not a de Polignac number, because 1328155 - 2¹³ = 1319963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (199998).

2^1328155 is an apocalyptic number.

1328155 is a deficient number, since it is larger than the sum of its proper divisors (271829).

1328155 is an equidigital number, since it uses as much as digits as its factorization.

1328155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 1200, while the sum is 25.

The square root of 1328155 is about 1152.4560729156. The cubic root of 1328155 is about 109.9215694362.

The spelling of 1328155 in words is "one million, three hundred twenty-eight thousand, one hundred fifty-five".