163240125 has 16 divisors (see below), whose sum is σ = 271632192. Its totient is φ = 87061200.

The previous prime is 163240123. The next prime is 163240127. The reversal of 163240125 is 521042361.

It is an interprime number because it is at equal distance from previous prime (163240123) and next prime (163240127).

It is not a de Polignac number, because 163240125 - 2¹ = 163240123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163240095 and 163240104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240123) 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 15 ways as a sum of consecutive naturals, for example, 217279 + ... + 218028.

It is an arithmetic number, because the mean of its divisors is an integer number (16977012).

Almost surely, 2^163240125 is an apocalyptic number.

163240125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163240125 is a deficient number, since it is larger than the sum of its proper divisors (108392067).

163240125 is an equidigital number, since it uses as much as digits as its factorization.

163240125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435325 (or 435315 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 163240125 is about 12776.5458947244. The cubic root of 163240125 is about 546.5236660383.

Adding to 163240125 its reverse (521042361), we get a palindrome (684282486).

The spelling of 163240125 in words is "one hundred sixty-three million, two hundred forty thousand, one hundred twenty-five".