10125001 has 2 divisors, whose sum is σ = 10125002. Its totient is φ = 10125000.

The previous prime is 10124999. The next prime is 10125007. The reversal of 10125001 is 10052101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 38025 = 3176^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 10125001 - 2¹ = 10124999 is a prime.

Together with 10124999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10125007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5062500 + 5062501.

It is an arithmetic number, because the mean of its divisors is an integer number (5062501).

Almost surely, 2^10125001 is an apocalyptic number.

It is an amenable number.

10125001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10125001 is an equidigital number, since it uses as much as digits as its factorization.

10125001 is an evil number, because the sum of its binary digits is even.

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

The square root of 10125001 is about 3181.9806724743. The cubic root of 10125001 is about 216.3374426683.

Adding to 10125001 its reverse (10052101), we get a palindrome (20177102).

Subtracting from 10125001 its reverse (10052101), we obtain a square (72900 = 270²).

The spelling of 10125001 in words is "ten million, one hundred twenty-five thousand, one".