124234220 has 24 divisors (see below), whose sum is σ = 284609808. Its totient is φ = 45176000.

The previous prime is 124234219. The next prime is 124234261. The reversal of 124234220 is 22432421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124234192 and 124234201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282131 + ... + 282570.

It is an arithmetic number, because the mean of its divisors is an integer number (11858742).

Almost surely, 2^124234220 is an apocalyptic number.

124234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124234220 is an abundant number, since it is smaller than the sum of its proper divisors (160375588).

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

124234220 is a wasteful number, since it uses less digits than its factorization.

124234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564721 (or 564719 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124234220 is about 11146.0405525909. The cubic root of 124234220 is about 498.9768678291.

Adding to 124234220 its reverse (22432421), we get a palindrome (146666641).

The spelling of 124234220 in words is "one hundred twenty-four million, two hundred thirty-four thousand, two hundred twenty".