1324861 has 4 divisors (see below), whose sum is σ = 1402812. Its totient is φ = 1246912.

The previous prime is 1324849. The next prime is 1324867. The reversal of 1324861 is 1684231.

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 799236 + 525625 = 894^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324861 - 2⁷ = 1324733 is a prime.

It is a Duffinian number.

1324861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324867) 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, 38950 + ... + 38983.

It is an arithmetic number, because the mean of its divisors is an integer number (350703).

2^1324861 is an apocalyptic number.

It is an amenable number.

1324861 is a deficient number, since it is larger than the sum of its proper divisors (77951).

1324861 is an equidigital number, since it uses as much as digits as its factorization.

1324861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77950.

The product of its digits is 1152, while the sum is 25.

The square root of 1324861 is about 1151.0260639968. The cubic root of 1324861 is about 109.8306208648.

The spelling of 1324861 in words is "one million, three hundred twenty-four thousand, eight hundred sixty-one".