125008001 has 4 divisors (see below), whose sum is σ = 125030400. Its totient is φ = 124985604.

The previous prime is 125007989. The next prime is 125008007. The reversal of 125008001 is 100800521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125008001 - 2¹⁴ = 124991617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125008007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4640 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (31257600).

Almost surely, 2^125008001 is an apocalyptic number.

It is an amenable number.

125008001 is a deficient number, since it is larger than the sum of its proper divisors (22399).

125008001 is a wasteful number, since it uses less digits than its factorization.

125008001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 125008001 is about 11180.6976973711. The cubic root of 125008001 is about 500.0106677724.

Adding to 125008001 its reverse (100800521), we get a palindrome (225808522).

The spelling of 125008001 in words is "one hundred twenty-five million, eight thousand, one".