131325124 has 24 divisors (see below), whose sum is σ = 274071168. Its totient is φ = 53834880.

The previous prime is 131325109. The next prime is 131325127. The reversal of 131325124 is 421523131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131325095 and 131325104.

It is not an unprimeable number, because it can be changed into a prime (131325127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101317 + ... + 102604.

It is an arithmetic number, because the mean of its divisors is an integer number (11419632).

Almost surely, 2^131325124 is an apocalyptic number.

131325124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131325124 is an abundant number, since it is smaller than the sum of its proper divisors (142746044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131325124 is a wasteful number, since it uses less digits than its factorization.

131325124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203955 (or 203953 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 131325124 is about 11459.7174485238. The cubic root of 131325124 is about 508.2951196094.

Adding to 131325124 its reverse (421523131), we get a palindrome (552848255).

The spelling of 131325124 in words is "one hundred thirty-one million, three hundred twenty-five thousand, one hundred twenty-four".