421000124 has 12 divisors (see below), whose sum is σ = 740867400. Its totient is φ = 209323728.

The previous prime is 421000123. The next prime is 421000127.

421000124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421000124² = 354482208816030752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421000099 and 421000108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421000123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293279 + ... + 294710.

It is an arithmetic number, because the mean of its divisors is an integer number (61738950).

Almost surely, 2^421000124 is an apocalyptic number.

It is an amenable number.

421000124 is a deficient number, since it is larger than the sum of its proper divisors (319867276).

421000124 is a wasteful number, since it uses less digits than its factorization.

421000124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588172 (or 588170 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 421000124 is about 20518.2875503781. The cubic root of 421000124 is about 749.4811961692.

It can be divided in two parts, 421000 and 124, that added together give a palindrome (421124).

The spelling of 421000124 in words is "four hundred twenty-one million, one hundred twenty-four", and thus it is an aban number.