1001243214 has 16 divisors (see below), whose sum is σ = 2224985040. Its totient is φ = 333747720.

The previous prime is 1001243179. The next prime is 1001243219. The reversal of 1001243214 is 4123421001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001243219) 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, 9270717 + ... + 9270824.

It is an arithmetic number, because the mean of its divisors is an integer number (139061565).

Almost surely, 2^1001243214 is an apocalyptic number.

1001243214 is an abundant number, since it is smaller than the sum of its proper divisors (1223741826).

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

1001243214 is a wasteful number, since it uses less digits than its factorization.

1001243214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541552 (or 18541546 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001243214 is about 31642.4274353280. The cubic root of 1001243214 is about 1000.4142330540.

Adding to 1001243214 its reverse (4123421001), we get a palindrome (5124664215).

The spelling of 1001243214 in words is "one billion, one million, two hundred forty-three thousand, two hundred fourteen".