1165201003 has 8 divisors (see below), whose sum is σ = 1207881072. Its totient is φ = 1123109856.

The previous prime is 1165200983. The next prime is 1165201007. The reversal of 1165201003 is 3001025611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165201003 - 2²⁹ = 628330091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143200 + ... + 151117.

It is an arithmetic number, because the mean of its divisors is an integer number (150985134).

Almost surely, 2^1165201003 is an apocalyptic number.

1165201003 is a deficient number, since it is larger than the sum of its proper divisors (42680069).

1165201003 is a wasteful number, since it uses less digits than its factorization.

1165201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294461.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1165201003 is about 34135.0406913482. The cubic root of 1165201003 is about 1052.2855739797.

Adding to 1165201003 its reverse (3001025611), we get a palindrome (4166226614).

The spelling of 1165201003 in words is "one billion, one hundred sixty-five million, two hundred one thousand, three".