1206066705 has 48 divisors (see below), whose sum is σ = 2065958784. Its totient is φ = 600606720.

The previous prime is 1206066677. The next prime is 1206066707. The reversal of 1206066705 is 5076606021.

It is not a de Polignac number, because 1206066705 - 2¹⁰ = 1206065681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1206066707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 382897 + ... + 386033.

It is an arithmetic number, because the mean of its divisors is an integer number (43040808).

Almost surely, 2^1206066705 is an apocalyptic number.

1206066705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206066705 is a deficient number, since it is larger than the sum of its proper divisors (859892079).

1206066705 is a wasteful number, since it uses less digits than its factorization.

1206066705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1206066705 is about 34728.4711008129. The cubic root of 1206066705 is about 1064.4463475951.

The spelling of 1206066705 in words is "one billion, two hundred six million, sixty-six thousand, seven hundred five".