125503044 has 48 divisors (see below), whose sum is σ = 311786496. Its totient is φ = 39155200.

The previous prime is 125503043. The next prime is 125503067. The reversal of 125503044 is 440305521.

It is not an unprimeable number, because it can be changed into a prime (125503043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37354 + ... + 40574.

It is an arithmetic number, because the mean of its divisors is an integer number (6495552).

Almost surely, 2^125503044 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 125503044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155893248).

125503044 is an abundant number, since it is smaller than the sum of its proper divisors (186283452).

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

125503044 is a wasteful number, since it uses less digits than its factorization.

125503044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3434 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 125503044 is about 11202.8141107491. The cubic root of 125503044 is about 500.6698275946.

Adding to 125503044 its reverse (440305521), we get a palindrome (565808565).

The spelling of 125503044 in words is "one hundred twenty-five million, five hundred three thousand, forty-four".