421091124 has 24 divisors (see below), whose sum is σ = 983136000. Its totient is φ = 140279424.

The previous prime is 421091081. The next prime is 421091161. The reversal of 421091124 is 421190124.

It is a junction number, because it is equal to n+sod(n) for n = 421091094 and 421091103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12252 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (40964000).

Almost surely, 2^421091124 is an apocalyptic number.

It is an amenable number.

421091124 is an abundant number, since it is smaller than the sum of its proper divisors (562044876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421091124 is a wasteful number, since it uses less digits than its factorization.

421091124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079 (or 21077 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 421091124 is about 20520.5049645470. The cubic root of 421091124 is about 749.5351928875.

The spelling of 421091124 in words is "four hundred twenty-one million, ninety-one thousand, one hundred twenty-four".