125000004 has 24 divisors (see below), whose sum is σ = 293966848. Its totient is φ = 41338080.

The previous prime is 125000003. The next prime is 125000077. The reversal of 125000004 is 400000521.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (125000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39487 + ... + 42534.

Almost surely, 2^125000004 is an apocalyptic number.

It is an amenable number.

125000004 is an abundant number, since it is smaller than the sum of its proper divisors (168966844).

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

125000004 is a wasteful number, since it uses less digits than its factorization.

125000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82155 (or 82153 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 125000004 is about 11180.3400663844. The cubic root of 125000004 is about 500.0000053333. Note that the first 5 decimals are identical.

Adding to 125000004 its reverse (400000521), we get a palindrome (525000525).

The spelling of 125000004 in words is "one hundred twenty-five million, four", and thus it is an aban number.