115131424 has 24 divisors (see below), whose sum is σ = 226938348. Its totient is φ = 57496320.

The previous prime is 115131409. The next prime is 115131433. The reversal of 115131424 is 424131511.

It can be written as a sum of positive squares in 2 ways, for example, as 112784400 + 2347024 = 10620^2 + 1532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115131395 and 115131404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34134 + ... + 37354.

Almost surely, 2^115131424 is an apocalyptic number.

It is an amenable number.

115131424 is a deficient number, since it is larger than the sum of its proper divisors (111806924).

115131424 is a wasteful number, since it uses less digits than its factorization.

115131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4340 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 115131424 is about 10729.9312206556. The cubic root of 115131424 is about 486.4795911566.

Adding to 115131424 its reverse (424131511), we get a palindrome (539262935).

The spelling of 115131424 in words is "one hundred fifteen million, one hundred thirty-one thousand, four hundred twenty-four".