1300861 has 4 divisors (see below), whose sum is σ = 1311232. Its totient is φ = 1290492.

The previous prime is 1300843. The next prime is 1300907. The reversal of 1300861 is 1680031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1680031 = 137 ⋅12263.

It is a cyclic number.

It is not a de Polignac number, because 1300861 - 2⁵ = 1300829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300841) 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, 4995 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (327808).

2^1300861 is an apocalyptic number.

It is an amenable number.

1300861 is a deficient number, since it is larger than the sum of its proper divisors (10371).

1300861 is a wasteful number, since it uses less digits than its factorization.

1300861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1300861 is about 1140.5529360797. The cubic root of 1300861 is about 109.1633775854.

Adding to 1300861 its reverse (1680031), we get a palindrome (2980892).

The spelling of 1300861 in words is "one million, three hundred thousand, eight hundred sixty-one".