131524123 has 2 divisors, whose sum is σ = 131524124. Its totient is φ = 131524122.

The previous prime is 131524109. The next prime is 131524139. The reversal of 131524123 is 321425131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131524123 - 2¹³ = 131515931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131524094 and 131524103.

It is not a weakly prime, because it can be changed into another prime (131524423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65762061 + 65762062.

It is an arithmetic number, because the mean of its divisors is an integer number (65762062).

Almost surely, 2^131524123 is an apocalyptic number.

131524123 is a deficient number, since it is larger than the sum of its proper divisors (1).

131524123 is an equidigital number, since it uses as much as digits as its factorization.

131524123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 131524123 is about 11468.3967057301. The cubic root of 131524123 is about 508.5517325328.

Adding to 131524123 its reverse (321425131), we get a palindrome (452949254).

The spelling of 131524123 in words is "one hundred thirty-one million, five hundred twenty-four thousand, one hundred twenty-three".