1206046505 has 8 divisors (see below), whose sum is σ = 1467081672. Its totient is φ = 951619968.

The previous prime is 1206046477. The next prime is 1206046511. The reversal of 1206046505 is 5056406021.

It can be written as a sum of positive squares in 4 ways, for example, as 5285401 + 1200761104 = 2299^2 + 34652^2 .

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 1206046505 - 2¹⁴ = 1206030121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1651754 + ... + 1652483.

It is an arithmetic number, because the mean of its divisors is an integer number (183385209).

Almost surely, 2^1206046505 is an apocalyptic number.

It is an amenable number.

1206046505 is a deficient number, since it is larger than the sum of its proper divisors (261035167).

1206046505 is an equidigital number, since it uses as much as digits as its factorization.

1206046505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304315.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1206046505 is about 34728.1802719348. The cubic root of 1206046505 is about 1064.4404048790.

The spelling of 1206046505 in words is "one billion, two hundred six million, forty-six thousand, five hundred five".