3125021001 has 8 divisors (see below), whose sum is σ = 4263594720. Its totient is φ = 2034897312.

The previous prime is 3125020993. The next prime is 3125021021. The reversal of 3125021001 is 1001205213.

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

It is not a de Polignac number, because 3125021001 - 2³ = 3125020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125021021) 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, 12112356 + ... + 12112613.

It is an arithmetic number, because the mean of its divisors is an integer number (532949340).

Almost surely, 2^3125021001 is an apocalyptic number.

It is an amenable number.

3125021001 is a deficient number, since it is larger than the sum of its proper divisors (1138573719).

3125021001 is a wasteful number, since it uses less digits than its factorization.

3125021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24225015.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 3125021001 is about 55901.8872758335. The cubic root of 3125021001 is about 1462.0121441549.

Adding to 3125021001 its reverse (1001205213), we get a palindrome (4126226214).

The spelling of 3125021001 in words is "three billion, one hundred twenty-five million, twenty-one thousand, one".