4128197 has 4 divisors (see below), whose sum is σ = 4144896. Its totient is φ = 4111500.

The previous prime is 4128193. The next prime is 4128199. The reversal of 4128197 is 7918214.

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.

It is a cyclic number.

It is not a de Polignac number, because 4128197 - 2² = 4128193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128193) 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, 7973 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (1036224).

Almost surely, 2^4128197 is an apocalyptic number.

It is an amenable number.

4128197 is a deficient number, since it is larger than the sum of its proper divisors (16699).

4128197 is a wasteful number, since it uses less digits than its factorization.

4128197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16698.

The product of its digits is 4032, while the sum is 32.

The square root of 4128197 is about 2031.7964957151. The cubic root of 4128197 is about 160.4181380724.

The spelling of 4128197 in words is "four million, one hundred twenty-eight thousand, one hundred ninety-seven".