1200668845 has 8 divisors (see below), whose sum is σ = 1444227480. Its totient is φ = 958251840.

The previous prime is 1200668827. The next prime is 1200668849. The reversal of 1200668845 is 5488660021.

It can be written as a sum of positive squares in 4 ways, for example, as 22600516 + 1178068329 = 4754^2 + 34323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200668845 - 2²⁷ = 1066451117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200668798 and 1200668807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200668849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283090 + ... + 287299.

It is an arithmetic number, because the mean of its divisors is an integer number (180528435).

Almost surely, 2^1200668845 is an apocalyptic number.

It is an amenable number.

1200668845 is a deficient number, since it is larger than the sum of its proper divisors (243558635).

1200668845 is an equidigital number, since it uses as much as digits as its factorization.

1200668845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570815.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1200668845 is about 34650.6687525652. The cubic root of 1200668845 is about 1062.8559641438.

The spelling of 1200668845 in words is "one billion, two hundred million, six hundred sixty-eight thousand, eight hundred forty-five".