1300855 has 4 divisors (see below), whose sum is σ = 1561032. Its totient is φ = 1040680.

The previous prime is 1300843. The next prime is 1300907. The reversal of 1300855 is 5580031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5580031 = 31 ⋅180001.

It is not a de Polignac number, because 1300855 - 2⁷ = 1300727 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130081 + ... + 130090.

It is an arithmetic number, because the mean of its divisors is an integer number (390258).

2^1300855 is an apocalyptic number.

1300855 is a deficient number, since it is larger than the sum of its proper divisors (260177).

1300855 is an equidigital number, since it uses as much as digits as its factorization.

1300855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260176.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1300855 is about 1140.5503057735. The cubic root of 1300855 is about 109.1632097527.

Adding to 1300855 its reverse (5580031), we get a palindrome (6880886).

The spelling of 1300855 in words is "one million, three hundred thousand, eight hundred fifty-five".