1000243113 has 16 divisors (see below), whose sum is σ = 1392397440. Its totient is φ = 637490304.

The previous prime is 1000243099. The next prime is 1000243121. The reversal of 1000243113 is 3113420001.

It is not a de Polignac number, because 1000243113 - 2¹² = 1000239017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000243092 and 1000243101.

It is not an unprimeable number, because it can be changed into a prime (1000243193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201303 + ... + 206211.

It is an arithmetic number, because the mean of its divisors is an integer number (87024840).

Almost surely, 2^1000243113 is an apocalyptic number.

It is an amenable number.

1000243113 is a deficient number, since it is larger than the sum of its proper divisors (392154327).

1000243113 is a wasteful number, since it uses less digits than its factorization.

1000243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1000243113 is about 31626.6203221274. The cubic root of 1000243113 is about 1000.0810311005.

Adding to 1000243113 its reverse (3113420001), we get a palindrome (4113663114).

The spelling of 1000243113 in words is "one billion, two hundred forty-three thousand, one hundred thirteen".