124210220 has 24 divisors (see below), whose sum is σ = 274570800. Its totient is φ = 47068992.

The previous prime is 124210193. The next prime is 124210223. The reversal of 124210220 is 22012421.

It is a junction number, because it is equal to n+sod(n) for n = 124210195 and 124210204.

It is not an unprimeable number, because it can be changed into a prime (124210223) 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, 163055 + ... + 163814.

It is an arithmetic number, because the mean of its divisors is an integer number (11440450).

Almost surely, 2^124210220 is an apocalyptic number.

124210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124210220 is an abundant number, since it is smaller than the sum of its proper divisors (150360580).

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

124210220 is a wasteful number, since it uses less digits than its factorization.

124210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326897 (or 326895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 124210220 is about 11144.9638850918. The cubic root of 124210220 is about 498.9447343958.

Adding to 124210220 its reverse (22012421), we get a palindrome (146222641).

The spelling of 124210220 in words is "one hundred twenty-four million, two hundred ten thousand, two hundred twenty".