1201841 has 2 divisors, whose sum is σ = 1201842. Its totient is φ = 1201840.

The previous prime is 1201829. The next prime is 1201843. The reversal of 1201841 is 1481021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1201216 + 625 = 1096^2 + 25^2 .

It is an emirp because it is prime and its reverse (1481021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201841 is a prime.

Together with 1201843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1201843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600920 + 600921.

It is an arithmetic number, because the mean of its divisors is an integer number (600921).

2^1201841 is an apocalyptic number.

It is an amenable number.

1201841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201841 is an equidigital number, since it uses as much as digits as its factorization.

1201841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1201841 is about 1096.2850906584. The cubic root of 1201841 is about 106.3201723299.

Adding to 1201841 its reverse (1481021), we get a palindrome (2682862).

The spelling of 1201841 in words is "one million, two hundred one thousand, eight hundred forty-one".