1165201 has 2 divisors, whose sum is σ = 1165202. Its totient is φ = 1165200.

The previous prime is 1165193. The next prime is 1165207. The reversal of 1165201 is 1025611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 30976 = 1065^2 + 176^2 .

It is an emirp because it is prime and its reverse (1025611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165201 - 2³ = 1165193 is a prime.

1165201 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1165207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582600 + 582601.

It is an arithmetic number, because the mean of its divisors is an integer number (582601).

2^1165201 is an apocalyptic number.

It is an amenable number.

1165201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165201 is an equidigital number, since it uses as much as digits as its factorization.

1165201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1165201 is about 1079.4447646823. Note that the first 3 decimals coincide. The cubic root of 1165201 is about 105.2285573077.

The spelling of 1165201 in words is "one million, one hundred sixty-five thousand, two hundred one".