421040124 has 36 divisors (see below), whose sum is σ = 1064918400. Its totient is φ = 140264640.

The previous prime is 421040089. The next prime is 421040141.

421040124 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 421040097 and 421040106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120352 + ... + 123800.

Almost surely, 2^421040124 is an apocalyptic number.

It is an amenable number.

421040124 is an abundant number, since it is smaller than the sum of its proper divisors (643878276).

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

421040124 is a wasteful number, since it uses less digits than its factorization.

421040124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 421040124 is about 20519.2622674403. The cubic root of 421040124 is about 749.5049319487.

The spelling of 421040124 in words is "four hundred twenty-one million, forty thousand, one hundred twenty-four".