1206446345 has 8 divisors (see below), whose sum is σ = 1559099976. Its totient is φ = 890914176.

The previous prime is 1206446341. The next prime is 1206446369. The reversal of 1206446345 is 5436446021.

It can be written as a sum of positive squares in 4 ways, for example, as 286658761 + 919787584 = 16931^2 + 30328^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1206446345 - 2² = 1206446341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206446341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280292 + ... + 9280421.

It is an arithmetic number, because the mean of its divisors is an integer number (194887497).

Almost surely, 2^1206446345 is an apocalyptic number.

It is an amenable number.

1206446345 is a deficient number, since it is larger than the sum of its proper divisors (352653631).

1206446345 is a wasteful number, since it uses less digits than its factorization.

1206446345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560731.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1206446345 is about 34733.9365030801. The cubic root of 1206446345 is about 1064.5580230152.

The spelling of 1206446345 in words is "one billion, two hundred six million, four hundred forty-six thousand, three hundred forty-five".