421143113 has 8 divisors (see below), whose sum is σ = 443527200. Its totient is φ = 398780928.

The previous prime is 421143071. The next prime is 421143127. The reversal of 421143113 is 311341124.

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

It is a cyclic number.

It is not a de Polignac number, because 421143113 - 2¹⁶ = 421077577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421143013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46970 + ... + 55212.

It is an arithmetic number, because the mean of its divisors is an integer number (55440900).

Almost surely, 2^421143113 is an apocalyptic number.

It is an amenable number.

421143113 is a deficient number, since it is larger than the sum of its proper divisors (22384087).

421143113 is a wasteful number, since it uses less digits than its factorization.

421143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951.

The product of its digits is 288, while the sum is 20.

The square root of 421143113 is about 20521.7716827763. The cubic root of 421143113 is about 749.5660381364.

Adding to 421143113 its reverse (311341124), we get a palindrome (732484237).

The spelling of 421143113 in words is "four hundred twenty-one million, one hundred forty-three thousand, one hundred thirteen".