1020163125 has 40 divisors (see below), whose sum is σ = 1716875424. Its totient is φ = 538600000.

The previous prime is 1020163093. The next prime is 1020163129. The reversal of 1020163125 is 5213610201.

It is not a de Polignac number, because 1020163125 - 2⁵ = 1020163093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020163129) 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 39 ways as a sum of consecutive naturals, for example, 186682 + ... + 192068.

Almost surely, 2^1020163125 is an apocalyptic number.

1020163125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020163125 is a deficient number, since it is larger than the sum of its proper divisors (696712299).

1020163125 is an equidigital number, since it uses as much as digits as its factorization.

1020163125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511 (or 5496 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1020163125 is about 31939.9925641820. The cubic root of 1020163125 is about 1006.6763685721.

Adding to 1020163125 its reverse (5213610201), we get a palindrome (6233773326).

The spelling of 1020163125 in words is "one billion, twenty million, one hundred sixty-three thousand, one hundred twenty-five".