421120441 has 8 divisors (see below), whose sum is σ = 481442624. Its totient is φ = 360838800.

The previous prime is 421120439. The next prime is 421120451. The reversal of 421120441 is 144021124.

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

It is not a de Polignac number, because 421120441 - 2¹ = 421120439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421120451) 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, 16966 + ... + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (60180328).

Almost surely, 2^421120441 is an apocalyptic number.

It is an amenable number.

421120441 is a deficient number, since it is larger than the sum of its proper divisors (60322183).

421120441 is a wasteful number, since it uses less digits than its factorization.

421120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20271.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 421120441 is about 20521.2192863874. The cubic root of 421120441 is about 749.5525870746.

Adding to 421120441 its reverse (144021124), we get a palindrome (565141565).

The spelling of 421120441 in words is "four hundred twenty-one million, one hundred twenty thousand, four hundred forty-one".