421011124 has 24 divisors (see below), whose sum is σ = 779095296. Its totient is φ = 198744000.

The previous prime is 421011121. The next prime is 421011133. The reversal of 421011124 is 421110124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 421011098 and 421011107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36322 + ... + 46489.

It is an arithmetic number, because the mean of its divisors is an integer number (32462304).

Almost surely, 2^421011124 is an apocalyptic number.

It is an amenable number.

421011124 is a deficient number, since it is larger than the sum of its proper divisors (358084172).

421011124 is a wasteful number, since it uses less digits than its factorization.

421011124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82887 (or 82885 counting only the distinct ones).

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

The square root of 421011124 is about 20518.5556021860. Note that the first 3 decimals coincide. The cubic root of 421011124 is about 749.4877236584.

Adding to 421011124 its reverse (421110124), we get a palindrome (842121248).

The spelling of 421011124 in words is "four hundred twenty-one million, eleven thousand, one hundred twenty-four".