124235220 has 24 divisors (see below), whose sum is σ = 347858784. Its totient is φ = 33129376.

The previous prime is 124235191. The next prime is 124235231. The reversal of 124235220 is 22532421.

It is a congruent number.

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, 1035234 + ... + 1035353.

It is an arithmetic number, because the mean of its divisors is an integer number (14494116).

Almost surely, 2^124235220 is an apocalyptic number.

124235220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124235220 is an abundant number, since it is smaller than the sum of its proper divisors (223623564).

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

124235220 is a wasteful number, since it uses less digits than its factorization.

124235220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070599 (or 2070597 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 124235220 is about 11146.0854114797. The cubic root of 124235220 is about 498.9782066324.

Adding to 124235220 its reverse (22532421), we get a palindrome (146767641).

The spelling of 124235220 in words is "one hundred twenty-four million, two hundred thirty-five thousand, two hundred twenty".