1206251606 has 32 divisors (see below), whose sum is σ = 2163621888. Its totient is φ = 493146720.

The previous prime is 1206251603. The next prime is 1206251647. The reversal of 1206251606 is 6061526021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206251603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118436 + ... + 128216.

It is an arithmetic number, because the mean of its divisors is an integer number (67613184).

Almost surely, 2^1206251606 is an apocalyptic number.

1206251606 is a deficient number, since it is larger than the sum of its proper divisors (957370282).

1206251606 is a wasteful number, since it uses less digits than its factorization.

1206251606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1206251606 is about 34731.1330940987. The cubic root of 1206251606 is about 1064.5007412524.

Adding to 1206251606 its reverse (6061526021), we get a palindrome (7267777627).

The spelling of 1206251606 in words is "one billion, two hundred six million, two hundred fifty-one thousand, six hundred six".