1087841 has 2 divisors, whose sum is σ = 1087842. Its totient is φ = 1087840.

The previous prime is 1087829. The next prime is 1087843. The reversal of 1087841 is 1487801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 6241 = 1040^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087841 - 2¹⁰ = 1086817 is a prime.

It is a Sophie Germain prime.

Together with 1087843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1087843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543920 + 543921.

It is an arithmetic number, because the mean of its divisors is an integer number (543921).

2^1087841 is an apocalyptic number.

It is an amenable number.

1087841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087841 is an equidigital number, since it uses as much as digits as its factorization.

1087841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1087841 is about 1042.9961649019. The cubic root of 1087841 is about 102.8462531644.

The spelling of 1087841 in words is "one million, eighty-seven thousand, eight hundred forty-one".