1200841 has 4 divisors (see below), whose sum is σ = 1218832. Its totient is φ = 1182852.

The previous prime is 1200839. The next prime is 1200869. The reversal of 1200841 is 1480021.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1200841 - 2¹ = 1200839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200811) 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, 8895 + ... + 9028.

It is an arithmetic number, because the mean of its divisors is an integer number (304708).

2^1200841 is an apocalyptic number.

It is an amenable number.

1200841 is a deficient number, since it is larger than the sum of its proper divisors (17991).

1200841 is an equidigital number, since it uses as much as digits as its factorization.

1200841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1200841 is about 1095.8289100037. The cubic root of 1200841 is about 106.2906760061.

Adding to 1200841 its reverse (1480021), we get a palindrome (2680862).

The spelling of 1200841 in words is "one million, two hundred thousand, eight hundred forty-one".