1196861 has 2 divisors, whose sum is σ = 1196862. Its totient is φ = 1196860.
The previous prime is 1196857. The next prime is 1196863. The reversal of 1196861 is 1686911.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1196836 + 25 = 1094^2 + 5^2 .
It is a cyclic number.
It is not a de Polignac number, because 1196861 - 22 = 1196857 is a prime.
It is a Sophie Germain prime.
Together with 1196863, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1196863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598430 + 598431.
It is an arithmetic number, because the mean of its divisors is an integer number (598431).
21196861 is an apocalyptic number.
It is an amenable number.
1196861 is a deficient number, since it is larger than the sum of its proper divisors (1).
1196861 is an equidigital number, since it uses as much as digits as its factorization.
1196861 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2592, while the sum is 32.
The square root of 1196861 is about 1094.0114259001. The cubic root of 1196861 is about 106.1731180845.
The spelling of 1196861 in words is "one million, one hundred ninety-six thousand, eight hundred sixty-one".
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