125005004225 has 24 divisors (see below), whose sum is σ = 155620845432. Its totient is φ = 99608115200.

The previous prime is 125005004207. The next prime is 125005004233. The reversal of 125005004225 is 522400500521.

It can be written as a sum of positive squares in 12 ways, for example, as 6752237584 + 118252766641 = 82172^2 + 343879^2 .

It is not a de Polignac number, because 125005004225 - 2⁸ = 125005003969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125005004194 and 125005004203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8296799 + ... + 8311851.

It is an arithmetic number, because the mean of its divisors is an integer number (6484201893).

Almost surely, 2^125005004225 is an apocalyptic number.

It is an amenable number.

125005004225 is a deficient number, since it is larger than the sum of its proper divisors (30615841207).

125005004225 is a wasteful number, since it uses less digits than its factorization.

125005004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16357 (or 16352 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 125005004225 its reverse (522400500521), we get a palindrome (647405504746).

The spelling of 125005004225 in words is "one hundred twenty-five billion, five million, four thousand, two hundred twenty-five".