421124011 has 16 divisors (see below), whose sum is σ = 532880640. Its totient is φ = 323246880.

The previous prime is 421123981. The next prime is 421124063. The reversal of 421124011 is 110421124.

It is a happy number.

It is not a de Polignac number, because 421124011 - 2²³ = 412735403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421124111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35656 + ... + 45973.

It is an arithmetic number, because the mean of its divisors is an integer number (33305040).

Almost surely, 2^421124011 is an apocalyptic number.

421124011 is a deficient number, since it is larger than the sum of its proper divisors (111756629).

421124011 is a wasteful number, since it uses less digits than its factorization.

421124011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81714.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 421124011 is about 20521.3062693387. The cubic root of 421124011 is about 749.5547051505.

Adding to 421124011 its reverse (110421124), we get a palindrome (531545135).

The spelling of 421124011 in words is "four hundred twenty-one million, one hundred twenty-four thousand, eleven".