125004424 has 8 divisors (see below), whose sum is σ = 234383310. Its totient is φ = 62502208.

The previous prime is 125004403. The next prime is 125004457. The reversal of 125004424 is 424400521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109872324 + 15132100 = 10482^2 + 3890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125004424² = 31252212039143552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125004395 and 125004404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7812769 + ... + 7812784.

Almost surely, 2^125004424 is an apocalyptic number.

It is an amenable number.

125004424 is a deficient number, since it is larger than the sum of its proper divisors (109378886).

125004424 is a wasteful number, since it uses less digits than its factorization.

125004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15625559 (or 15625555 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 125004424 is about 11180.5377330431. The cubic root of 125004424 is about 500.0058985971.

Adding to 125004424 its reverse (424400521), we get a palindrome (549404945).

The spelling of 125004424 in words is "one hundred twenty-five million, four thousand, four hundred twenty-four".