131724124 has 12 divisors (see below), whose sum is σ = 263448304. Its totient is φ = 56453184.

The previous prime is 131724121. The next prime is 131724137. The reversal of 131724124 is 421427131.

131724124 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131724121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352189 + ... + 2352244.

Almost surely, 2^131724124 is an apocalyptic number.

131724124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131724124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131724124 is a wasteful number, since it uses less digits than its factorization.

131724124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704444 (or 4704442 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 131724124 is about 11477.1130516345. The cubic root of 131724124 is about 508.8093768874.

The spelling of 131724124 in words is "one hundred thirty-one million, seven hundred twenty-four thousand, one hundred twenty-four".