125540424 has 48 divisors (see below), whose sum is σ = 341003520. Its totient is φ = 41724000.

The previous prime is 125540419. The next prime is 125540473. The reversal of 125540424 is 424045521.

125540424 is a `hidden beast` number, since 1 + 255 + 404 + 2 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24049 + ... + 28799.

It is an arithmetic number, because the mean of its divisors is an integer number (7104240).

Almost surely, 2^125540424 is an apocalyptic number.

It is an amenable number.

125540424 is an abundant number, since it is smaller than the sum of its proper divisors (215463096).

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

125540424 is a wasteful number, since it uses less digits than its factorization.

125540424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 125540424 is about 11204.4823173585. The cubic root of 125540424 is about 500.7195293916.

Adding to 125540424 its reverse (424045521), we get a palindrome (549585945).

The spelling of 125540424 in words is "one hundred twenty-five million, five hundred forty thousand, four hundred twenty-four".