1202650643 has 2 divisors, whose sum is σ = 1202650644. Its totient is φ = 1202650642.

The previous prime is 1202650637. The next prime is 1202650651. The reversal of 1202650643 is 3460562021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202650643 - 2¹² = 1202646547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202650633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601325321 + 601325322.

It is an arithmetic number, because the mean of its divisors is an integer number (601325322).

Almost surely, 2^1202650643 is an apocalyptic number.

1202650643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202650643 is an equidigital number, since it uses as much as digits as its factorization.

1202650643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1202650643 is about 34679.2537837826. The cubic root of 1202650643 is about 1063.4404183801.

The spelling of 1202650643 in words is "one billion, two hundred two million, six hundred fifty thousand, six hundred forty-three".