124143220 has 24 divisors (see below), whose sum is σ = 269111808. Its totient is φ = 48055200.

The previous prime is 124143209. The next prime is 124143311. The reversal of 124143220 is 22341421.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99496 + ... + 100735.

It is an arithmetic number, because the mean of its divisors is an integer number (11212992).

Almost surely, 2^124143220 is an apocalyptic number.

124143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124143220 is an abundant number, since it is smaller than the sum of its proper divisors (144968588).

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

124143220 is a wasteful number, since it uses less digits than its factorization.

124143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200271 (or 200269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 124143220 is about 11141.9576376865. The cubic root of 124143220 is about 498.8550066486.

Adding to 124143220 its reverse (22341421), we get a palindrome (146484641).

The spelling of 124143220 in words is "one hundred twenty-four million, one hundred forty-three thousand, two hundred twenty".