1205107163 has 8 divisors (see below), whose sum is σ = 1322295408. Its totient is φ = 1091417184.

The previous prime is 1205107157. The next prime is 1205107171. The reversal of 1205107163 is 3617015021.

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

It is not a de Polignac number, because 1205107163 - 2¹⁴ = 1205090779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205107363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873845 + ... + 875222.

It is an arithmetic number, because the mean of its divisors is an integer number (165286926).

Almost surely, 2^1205107163 is an apocalyptic number.

1205107163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1205107163 is a deficient number, since it is larger than the sum of its proper divisors (117188245).

1205107163 is a wasteful number, since it uses less digits than its factorization.

1205107163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749133.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1205107163 is about 34714.6534333846. The cubic root of 1205107163 is about 1064.1639829018.

The spelling of 1205107163 in words is "one billion, two hundred five million, one hundred seven thousand, one hundred sixty-three".