124324420 has 24 divisors (see below), whose sum is σ = 284816448. Its totient is φ = 45208800.

The previous prime is 124324393. The next prime is 124324439. The reversal of 124324420 is 24423421.

It is a happy number.

It is a super-2 number, since 2×124324420² = 30913122816672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 124324391 and 124324400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282336 + ... + 282775.

It is an arithmetic number, because the mean of its divisors is an integer number (11867352).

Almost surely, 2^124324420 is an apocalyptic number.

124324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124324420 is an abundant number, since it is smaller than the sum of its proper divisors (160492028).

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

124324420 is a wasteful number, since it uses less digits than its factorization.

124324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565131 (or 565129 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124324420 is about 11150.0860983223. The cubic root of 124324420 is about 499.0975989913.

Adding to 124324420 its reverse (24423421), we get a palindrome (148747841).

Subtracting from 124324420 its reverse (24423421), we obtain a palindrome (99900999).

The spelling of 124324420 in words is "one hundred twenty-four million, three hundred twenty-four thousand, four hundred twenty".