4135121 has 4 divisors (see below), whose sum is σ = 4268544. Its totient is φ = 4001700.

The previous prime is 4135093. The next prime is 4135123. The reversal of 4135121 is 1215314.

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 4135121 - 2⁶ = 4135057 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 4135121.

It is not an unprimeable number, because it can be changed into a prime (4135123) 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, 66665 + ... + 66726.

It is an arithmetic number, because the mean of its divisors is an integer number (1067136).

Almost surely, 2^4135121 is an apocalyptic number.

It is an amenable number.

4135121 is a deficient number, since it is larger than the sum of its proper divisors (133423).

4135121 is a wasteful number, since it uses less digits than its factorization.

4135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133422.

The product of its digits is 120, while the sum is 17.

The square root of 4135121 is about 2033.4996926481. The cubic root of 4135121 is about 160.5077748455.

The spelling of 4135121 in words is "four million, one hundred thirty-five thousand, one hundred twenty-one".