10000125 has 32 divisors (see below), whose sum is σ = 18495360. Its totient is φ = 5331600.

The previous prime is 10000121. The next prime is 10000139. The reversal of 10000125 is 52100001.

It is a happy number.

It is not a de Polignac number, because 10000125 - 2² = 10000121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1894 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (577980).

Almost surely, 2^10000125 is an apocalyptic number.

10000125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10000125 is a deficient number, since it is larger than the sum of its proper divisors (8495235).

10000125 is an equidigital number, since it uses as much as digits as its factorization.

10000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 10000125 is about 3162.2974243420. The cubic root of 10000125 is about 215.4443666806. Note that the first 3 decimals are identical.

Adding to 10000125 its reverse (52100001), we get a palindrome (62100126).

The spelling of 10000125 in words is "ten million, one hundred twenty-five", and thus it is an aban number.