1164409 has 2 divisors, whose sum is σ = 1164410. Its totient is φ = 1164408.

The previous prime is 1164367. The next prime is 1164413. The reversal of 1164409 is 9044611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837225 + 327184 = 915^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164409 - 2¹¹ = 1162361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582204 + 582205.

It is an arithmetic number, because the mean of its divisors is an integer number (582205).

2^1164409 is an apocalyptic number.

It is an amenable number.

1164409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164409 is an equidigital number, since it uses as much as digits as its factorization.

1164409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1164409 is about 1079.0778470528. The cubic root of 1164409 is about 105.2047102326.

The spelling of 1164409 in words is "one million, one hundred sixty-four thousand, four hundred nine".