131200125 has 64 divisors (see below), whose sum is σ = 251916288. Its totient is φ = 59400000.

The previous prime is 131200117. The next prime is 131200141. The reversal of 131200125 is 521002131.

131200125 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 131200125 - 2³ = 131200117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396210 + ... + 396540.

It is an arithmetic number, because the mean of its divisors is an integer number (3936192).

Almost surely, 2^131200125 is an apocalyptic number.

131200125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131200125 is a deficient number, since it is larger than the sum of its proper divisors (120716163).

131200125 is a wasteful number, since it uses less digits than its factorization.

131200125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 131200125 is about 11454.2623071065. The cubic root of 131200125 is about 508.1337984827.

Adding to 131200125 its reverse (521002131), we get a palindrome (652202256).

The spelling of 131200125 in words is "one hundred thirty-one million, two hundred thousand, one hundred twenty-five".