4371121 has 4 divisors (see below), whose sum is σ = 4601200. Its totient is φ = 4141044.

The previous prime is 4371119. The next prime is 4371131. The reversal of 4371121 is 1211734.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1211734 = 2 ⋅605867.

It is a cyclic number.

It is not a de Polignac number, because 4371121 - 2¹ = 4371119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 230059 = 4371121 / (4 + 3 + 7 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4371131) 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, 115011 + ... + 115048.

It is an arithmetic number, because the mean of its divisors is an integer number (1150300).

Almost surely, 2^4371121 is an apocalyptic number.

It is an amenable number.

4371121 is a deficient number, since it is larger than the sum of its proper divisors (230079).

4371121 is a wasteful number, since it uses less digits than its factorization.

4371121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230078.

The product of its digits is 168, while the sum is 19.

The square root of 4371121 is about 2090.7226023555. The cubic root of 4371121 is about 163.5049642026.

Adding to 4371121 its reverse (1211734), we get a palindrome (5582855).

The spelling of 4371121 in words is "four million, three hundred seventy-one thousand, one hundred twenty-one".