124220436 has 48 divisors (see below), whose sum is σ = 297513216. Its totient is φ = 40321024.

The previous prime is 124220419. The next prime is 124220443. The reversal of 124220436 is 634022421.

It is a congruent number.

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, 144520 + ... + 145376.

It is an arithmetic number, because the mean of its divisors is an integer number (6198192).

Almost surely, 2^124220436 is an apocalyptic number.

It is an amenable number.

124220436 is an abundant number, since it is smaller than the sum of its proper divisors (173292780).

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

124220436 is a wasteful number, since it uses less digits than its factorization.

124220436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 124220436 is about 11145.4221992709. The cubic root of 124220436 is about 498.9584130332.

Adding to 124220436 its reverse (634022421), we get a palindrome (758242857).

The spelling of 124220436 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred thirty-six".