1206616045 has 8 divisors (see below), whose sum is σ = 1448253720. Its totient is φ = 965083200.

The previous prime is 1206616043. The next prime is 1206616067. The reversal of 1206616045 is 5406166021.

It can be written as a sum of positive squares in 4 ways, for example, as 92525161 + 1114090884 = 9619^2 + 33378^2 .

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

It is not a de Polignac number, because 1206616045 - 2¹ = 1206616043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206615998 and 1206616016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206616043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 49159.

It is an arithmetic number, because the mean of its divisors is an integer number (181031715).

Almost surely, 2^1206616045 is an apocalyptic number.

It is an amenable number.

1206616045 is a deficient number, since it is larger than the sum of its proper divisors (241637675).

1206616045 is an equidigital number, since it uses as much as digits as its factorization.

1206616045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52415.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1206616045 is about 34736.3792730330. The cubic root of 1206616045 is about 1064.6079346220.

The spelling of 1206616045 in words is "one billion, two hundred six million, six hundred sixteen thousand, forty-five".