1205051170 has 8 divisors (see below), whose sum is σ = 2169092124. Its totient is φ = 482020464.

The previous prime is 1205051161. The next prime is 1205051201. The reversal of 1205051170 is 711505021.

It can be written as a sum of positive squares in 2 ways, for example, as 1176009849 + 29041321 = 34293^2 + 5389^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 60252549 + ... + 60252568.

Almost surely, 2^1205051170 is an apocalyptic number.

1205051170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205051170 is a deficient number, since it is larger than the sum of its proper divisors (964040954).

1205051170 is a wasteful number, since it uses less digits than its factorization.

1205051170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120505124.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 1205051170 is about 34713.8469490202. The cubic root of 1205051170 is about 1064.1475011983.

Adding to 1205051170 its reverse (711505021), we get a palindrome (1916556191).

The spelling of 1205051170 in words is "one billion, two hundred five million, fifty-one thousand, one hundred seventy".