1112008643 has 2 divisors, whose sum is σ = 1112008644. Its totient is φ = 1112008642.

The previous prime is 1112008637. The next prime is 1112008747. The reversal of 1112008643 is 3468002111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112008643 - 2⁴ = 1112008627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112008633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556004321 + 556004322.

It is an arithmetic number, because the mean of its divisors is an integer number (556004322).

Almost surely, 2^1112008643 is an apocalyptic number.

1112008643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112008643 is an equidigital number, since it uses as much as digits as its factorization.

1112008643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1112008643 is about 33346.7935939874. The cubic root of 1112008643 is about 1036.0229776188.

The spelling of 1112008643 in words is "one billion, one hundred twelve million, eight thousand, six hundred forty-three".