124102220 has 48 divisors (see below), whose sum is σ = 286197408. Its totient is φ = 44828160.

The previous prime is 124102217. The next prime is 124102247. The reversal of 124102220 is 22201421.

It is a super-2 number, since 2×124102220² = 30802722017856800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124102195 and 124102204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32744 + ... + 36336.

It is an arithmetic number, because the mean of its divisors is an integer number (5962446).

Almost surely, 2^124102220 is an apocalyptic number.

124102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143098704).

124102220 is an abundant number, since it is smaller than the sum of its proper divisors (162095188).

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

124102220 is a wasteful number, since it uses less digits than its factorization.

124102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3768 counting only the distinct ones).

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

The square root of 124102220 is about 11140.1175936343. The cubic root of 124102220 is about 498.8000827005.

Adding to 124102220 its reverse (22201421), we get a palindrome (146303641).

The spelling of 124102220 in words is "one hundred twenty-four million, one hundred two thousand, two hundred twenty".