1326155 has 4 divisors (see below), whose sum is σ = 1591392. Its totient is φ = 1060920.

The previous prime is 1326151. The next prime is 1326161. The reversal of 1326155 is 5516231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5516231 = 7 ⋅788033.

It is not a de Polignac number, because 1326155 - 2² = 1326151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326155.

It is not an unprimeable number, because it can be changed into a prime (1326151) 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, 132611 + ... + 132620.

It is an arithmetic number, because the mean of its divisors is an integer number (397848).

2^1326155 is an apocalyptic number.

1326155 is a deficient number, since it is larger than the sum of its proper divisors (265237).

1326155 is an equidigital number, since it uses as much as digits as its factorization.

1326155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265236.

The product of its digits is 900, while the sum is 23.

The square root of 1326155 is about 1151.5880339774. The cubic root of 1326155 is about 109.8663666471.

The spelling of 1326155 in words is "one million, three hundred twenty-six thousand, one hundred fifty-five".