3128201 has 8 divisors (see below), whose sum is σ = 3256200. Its totient is φ = 3001600.

The previous prime is 3128197. The next prime is 3128227. The reversal of 3128201 is 1028213.

It can be written as a sum of positive squares in 4 ways, for example, as 678976 + 2449225 = 824^2 + 1565^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3128201 - 2² = 3128197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3128201.

It is not an unprimeable number, because it can be changed into a prime (3128291) 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, 7601 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (407025).

Almost surely, 2^3128201 is an apocalyptic number.

It is an amenable number.

3128201 is a deficient number, since it is larger than the sum of its proper divisors (127999).

3128201 is a wasteful number, since it uses less digits than its factorization.

3128201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3128201 is about 1768.6721007581. The cubic root of 3128201 is about 146.2507887069.

The spelling of 3128201 in words is "three million, one hundred twenty-eight thousand, two hundred one".