1030857165 has 64 divisors (see below), whose sum is σ = 2001646080. Its totient is φ = 500290560.

The previous prime is 1030857089. The next prime is 1030857257. The reversal of 1030857165 is 5617580301.

It is not a de Polignac number, because 1030857165 - 2¹¹ = 1030855117 is a prime.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 120469 + ... + 128741.

It is an arithmetic number, because the mean of its divisors is an integer number (31275720).

Almost surely, 2^1030857165 is an apocalyptic number.

1030857165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030857165 is a deficient number, since it is larger than the sum of its proper divisors (970788915).

1030857165 is a wasteful number, since it uses less digits than its factorization.

1030857165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371 (or 8365 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1030857165 is about 32106.9644314127. The cubic root of 1030857165 is about 1010.1817027598.

The spelling of 1030857165 in words is "one billion, thirty million, eight hundred fifty-seven thousand, one hundred sixty-five".