1167841 has 2 divisors, whose sum is σ = 1167842. Its totient is φ = 1167840.

The previous prime is 1167839. The next prime is 1167847. The reversal of 1167841 is 1487611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 3600 = 1079^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167841 - 2¹ = 1167839 is a prime.

Together with 1167839, it forms a pair of twin primes.

1167841 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1167847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583920 + 583921.

It is an arithmetic number, because the mean of its divisors is an integer number (583921).

2^1167841 is an apocalyptic number.

It is an amenable number.

1167841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167841 is an equidigital number, since it uses as much as digits as its factorization.

1167841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 1167841 is about 1080.6669237096. Note that the first 3 decimals coincide. The cubic root of 1167841 is about 105.3079696003.

The spelling of 1167841 in words is "one million, one hundred sixty-seven thousand, eight hundred forty-one".