4195121 has 4 divisors (see below), whose sum is σ = 4794432. Its totient is φ = 3595812.

The previous prime is 4195117. The next prime is 4195127. The reversal of 4195121 is 1215914.

It is a happy number.

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 4195121 - 2² = 4195117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4195127) 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, 299645 + ... + 299658.

It is an arithmetic number, because the mean of its divisors is an integer number (1198608).

Almost surely, 2^4195121 is an apocalyptic number.

It is an amenable number.

4195121 is a deficient number, since it is larger than the sum of its proper divisors (599311).

4195121 is an equidigital number, since it uses as much as digits as its factorization.

4195121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599310.

The product of its digits is 360, while the sum is 23.

The square root of 4195121 is about 2048.1994531783. The cubic root of 4195121 is about 161.2803648523.

The spelling of 4195121 in words is "four million, one hundred ninety-five thousand, one hundred twenty-one".