1205752163 has 24 divisors (see below), whose sum is σ = 1533528000. Its totient is φ = 937455120.

The previous prime is 1205752157. The next prime is 1205752181. The reversal of 1205752163 is 3612575021.

It is not a de Polignac number, because 1205752163 - 2¹⁸ = 1205490019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205752193) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 266720 + ... + 271202.

It is an arithmetic number, because the mean of its divisors is an integer number (63897000).

Almost surely, 2^1205752163 is an apocalyptic number.

1205752163 is a deficient number, since it is larger than the sum of its proper divisors (327775837).

1205752163 is a wasteful number, since it uses less digits than its factorization.

1205752163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1205752163 is about 34723.9422157105. The cubic root of 1205752163 is about 1064.3538037382.

The spelling of 1205752163 in words is "one billion, two hundred five million, seven hundred fifty-two thousand, one hundred sixty-three".