131025 has 12 divisors (see below), whose sum is σ = 216752. Its totient is φ = 69840.

The previous prime is 131023. The next prime is 131041. The reversal of 131025 is 520131.

It is not a de Polignac number, because 131025 - 2¹ = 131023 is a prime.

It is a Duffinian number.

It is a Curzon number.

131025 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 131025.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 131025.

It is not an unprimeable number, because it can be changed into a prime (131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799 + ... + 948.

2¹³¹⁰²⁵ is an apocalyptic number.

131025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131025 is a deficient number, since it is larger than the sum of its proper divisors (85727).

131025 is a wasteful number, since it uses less digits than its factorization.

131025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 131025 is about 361.9737559548. The cubic root of 131025 is about 50.7907613348.

Adding to 131025 its reverse (520131), we get a palindrome (651156).

The spelling of 131025 in words is "one hundred thirty-one thousand, twenty-five".