1301801 has 4 divisors (see below), whose sum is σ = 1323204. Its totient is φ = 1280400.

The previous prime is 1301779. The next prime is 1301821. The reversal of 1301801 is 1081031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 577600 = 851^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301801 - 2¹⁸ = 1039657 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1301821) 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, 10610 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (330801).

2^1301801 is an apocalyptic number.

It is an amenable number.

1301801 is a deficient number, since it is larger than the sum of its proper divisors (21403).

1301801 is an equidigital number, since it uses as much as digits as its factorization.

1301801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1301801 is about 1140.9649424939. The cubic root of 1301801 is about 109.1896650132.

Adding to 1301801 its reverse (1081031), we get a palindrome (2382832).

The spelling of 1301801 in words is "one million, three hundred one thousand, eight hundred one".