1112500643 has 2 divisors, whose sum is σ = 1112500644. Its totient is φ = 1112500642.

The previous prime is 1112500589. The next prime is 1112500657. The reversal of 1112500643 is 3460052111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3460052111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112500643 - 2⁶ = 1112500579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112500843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556250321 + 556250322.

It is an arithmetic number, because the mean of its divisors is an integer number (556250322).

Almost surely, 2^1112500643 is an apocalyptic number.

1112500643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112500643 is an equidigital number, since it uses as much as digits as its factorization.

1112500643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1112500643 is about 33354.1697992920. The cubic root of 1112500643 is about 1036.1757486583.

Adding to 1112500643 its reverse (3460052111), we get a palindrome (4572552754).

The spelling of 1112500643 in words is "one billion, one hundred twelve million, five hundred thousand, six hundred forty-three".