125415424 has 52 divisors (see below), whose sum is σ = 255100504. Its totient is φ = 61636608.

The previous prime is 125415379. The next prime is 125415431. The reversal of 125415424 is 424514521.

It is a junction number, because it is equal to n+sod(n) for n = 125415392 and 125415401.

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, 274204 + ... + 274660.

Almost surely, 2^125415424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125415424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127550252).

125415424 is an abundant number, since it is smaller than the sum of its proper divisors (129685080).

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

125415424 is an frugal number, since it uses more digits than its factorization.

125415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 526 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 125415424 is about 11198.9028034000. The cubic root of 125415424 is about 500.5532861896.

Adding to 125415424 its reverse (424514521), we get a palindrome (549929945).

The spelling of 125415424 in words is "one hundred twenty-five million, four hundred fifteen thousand, four hundred twenty-four".