1001243196 has 36 divisors (see below), whose sum is σ = 2537563392. Its totient is φ = 332871744.

The previous prime is 1001243179. The next prime is 1001243219. The reversal of 1001243196 is 6913421001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22521 + ... + 50096.

It is an arithmetic number, because the mean of its divisors is an integer number (70487872).

Almost surely, 2^1001243196 is an apocalyptic number.

It is an amenable number.

1001243196 is an abundant number, since it is smaller than the sum of its proper divisors (1536320196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001243196 is a wasteful number, since it uses less digits than its factorization.

1001243196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73010 (or 73005 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1001243196 is about 31642.4271508998. The cubic root of 1001243196 is about 1000.4142270589.

Adding to 1001243196 its reverse (6913421001), we get a palindrome (7914664197).

The spelling of 1001243196 in words is "one billion, one million, two hundred forty-three thousand, one hundred ninety-six".