4120221 has 8 divisors (see below), whose sum is σ = 6278464. Its totient is φ = 2354400.

The previous prime is 4120219. The next prime is 4120223. The reversal of 4120221 is 1220214.

It is an interprime number because it is at equal distance from previous prime (4120219) and next prime (4120223).

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

It is not a de Polignac number, because 4120221 - 2¹ = 4120219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120197 and 4120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120223) 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, 98080 + ... + 98121.

It is an arithmetic number, because the mean of its divisors is an integer number (784808).

Almost surely, 2^4120221 is an apocalyptic number.

It is an amenable number.

4120221 is a deficient number, since it is larger than the sum of its proper divisors (2158243).

4120221 is a wasteful number, since it uses less digits than its factorization.

4120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196211.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4120221 is about 2029.8327517310. The cubic root of 4120221 is about 160.3147579944.

Adding to 4120221 its reverse (1220214), we get a palindrome (5340435).

The spelling of 4120221 in words is "four million, one hundred twenty thousand, two hundred twenty-one".