125000215 has 8 divisors (see below), whose sum is σ = 154839168. Its totient is φ = 96774240.

The previous prime is 125000209. The next prime is 125000263. The reversal of 125000215 is 512000521.

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

It is not a de Polignac number, because 125000215 - 2³ = 125000207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403072 + ... + 403381.

It is an arithmetic number, because the mean of its divisors is an integer number (19354896).

Almost surely, 2^125000215 is an apocalyptic number.

125000215 is a deficient number, since it is larger than the sum of its proper divisors (29838953).

125000215 is an equidigital number, since it uses as much as digits as its factorization.

125000215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806489.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 125000215 is about 11180.3495025871. The cubic root of 125000215 is about 500.0002866665. Note that the first 3 decimals are identical.

Adding to 125000215 its reverse (512000521), we get a palindrome (637000736).

The spelling of 125000215 in words is "one hundred twenty-five million, two hundred fifteen", and thus it is an aban number.