1165471 has 2 divisors, whose sum is σ = 1165472. Its totient is φ = 1165470.

The previous prime is 1165453. The next prime is 1165511. The reversal of 1165471 is 1745611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165471 - 2¹¹ = 1163423 is a prime.

It is a super-3 number, since 3×1165471³ = 4749256978091346333, which contains 333 as substring.

It is equal to p₉₀₄₄₈ and since 1165471 and 90448 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582735 + 582736.

It is an arithmetic number, because the mean of its divisors is an integer number (582736).

2^1165471 is an apocalyptic number.

1165471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165471 is an equidigital number, since it uses as much as digits as its factorization.

1165471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 1165471 is about 1079.5698217346. The cubic root of 1165471 is about 105.2366845224.

The spelling of 1165471 in words is "one million, one hundred sixty-five thousand, four hundred seventy-one".