1200485647 has 2 divisors, whose sum is σ = 1200485648. Its totient is φ = 1200485646.

The previous prime is 1200485639. The next prime is 1200485707. The reversal of 1200485647 is 7465840021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200485647 - 2³ = 1200485639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200485047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600242823 + 600242824.

It is an arithmetic number, because the mean of its divisors is an integer number (600242824).

Almost surely, 2^1200485647 is an apocalyptic number.

1200485647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200485647 is an equidigital number, since it uses as much as digits as its factorization.

1200485647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1200485647 is about 34648.0251529579. The cubic root of 1200485647 is about 1062.8019045554.

The spelling of 1200485647 in words is "one billion, two hundred million, four hundred eighty-five thousand, six hundred forty-seven".