130531125 has 16 divisors (see below), whose sum is σ = 217204416. Its totient is φ = 69616400.

The previous prime is 130531091. The next prime is 130531127. The reversal of 130531125 is 521135031.

It is not a de Polignac number, because 130531125 - 2⁶ = 130531061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531127) 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 15 ways as a sum of consecutive naturals, for example, 173667 + ... + 174416.

It is an arithmetic number, because the mean of its divisors is an integer number (13575276).

Almost surely, 2^130531125 is an apocalyptic number.

130531125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130531125 is a deficient number, since it is larger than the sum of its proper divisors (86673291).

130531125 is an equidigital number, since it uses as much as digits as its factorization.

130531125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348101 (or 348091 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 130531125 is about 11425.0218818171. The cubic root of 130531125 is about 507.2686546170.

Adding to 130531125 its reverse (521135031), we get a palindrome (651666156).

The spelling of 130531125 in words is "one hundred thirty million, five hundred thirty-one thousand, one hundred twenty-five".