125504005 has 8 divisors (see below), whose sum is σ = 164296224. Its totient is φ = 91275600.

The previous prime is 125504003. The next prime is 125504011. The reversal of 125504005 is 500405521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125504005 - 2¹ = 125504003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125504003) 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 7 ways as a sum of consecutive naturals, for example, 1140891 + ... + 1141000.

It is an arithmetic number, because the mean of its divisors is an integer number (20537028).

Almost surely, 2^125504005 is an apocalyptic number.

It is an amenable number.

125504005 is a deficient number, since it is larger than the sum of its proper divisors (38792219).

125504005 is a wasteful number, since it uses less digits than its factorization.

125504005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281907.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 125504005 is about 11202.8570016760. The cubic root of 125504005 is about 500.6711054985.

Adding to 125504005 its reverse (500405521), we get a palindrome (625909526).

The spelling of 125504005 in words is "one hundred twenty-five million, five hundred four thousand, five".