421190124 has 24 divisors (see below), whose sum is σ = 1003688448. Its totient is φ = 137409360.

The previous prime is 421190123. The next prime is 421190131. The reversal of 421190124 is 421091124.

It is a super-2 number, since 2×421190124² = 354802241110270752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421190094 and 421190103.

It is not an unprimeable number, because it can be changed into a prime (421190123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372832 + ... + 373959.

It is an arithmetic number, because the mean of its divisors is an integer number (41820352).

Almost surely, 2^421190124 is an apocalyptic number.

It is an amenable number.

421190124 is an abundant number, since it is smaller than the sum of its proper divisors (582498324).

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

421190124 is a wasteful number, since it uses less digits than its factorization.

421190124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746845 (or 746843 counting only the distinct ones).

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

The square root of 421190124 is about 20522.9170441241. The cubic root of 421190124 is about 749.5939277357.

The spelling of 421190124 in words is "four hundred twenty-one million, one hundred ninety thousand, one hundred twenty-four".