1301855 has 8 divisors (see below), whose sum is σ = 1581552. Its totient is φ = 1028608.

The previous prime is 1301851. The next prime is 1301857. The reversal of 1301855 is 5581031.

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 1301855 - 2² = 1301851 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 1301855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (197694).

2^1301855 is an apocalyptic number.

1301855 is a deficient number, since it is larger than the sum of its proper divisors (279697).

1301855 is an equidigital number, since it uses as much as digits as its factorization.

1301855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1301855 is about 1140.9886064287. The cubic root of 1301855 is about 109.1911747576.

Adding to 1301855 its reverse (5581031), we get a palindrome (6882886).

The spelling of 1301855 in words is "one million, three hundred one thousand, eight hundred fifty-five".