125002224 has 80 divisors (see below), whose sum is σ = 379931040. Its totient is φ = 39214080.

The previous prime is 125002223. The next prime is 125002231. The reversal of 125002224 is 422200521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125002197 and 125002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125002223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (4749138).

Almost surely, 2^125002224 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 125002224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189965520).

125002224 is an abundant number, since it is smaller than the sum of its proper divisors (254928816).

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

125002224 is a wasteful number, since it uses less digits than its factorization.

125002224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17055 (or 17043 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 125002224 is about 11180.4393473602. The cubic root of 125002224 is about 500.0029653157.

Adding to 125002224 its reverse (422200521), we get a palindrome (547202745).

The spelling of 125002224 in words is "one hundred twenty-five million, two thousand, two hundred twenty-four".