124005222 has 64 divisors (see below), whose sum is σ = 302469120. Its totient is φ = 37346400.

The previous prime is 124005221. The next prime is 124005251. The reversal of 124005222 is 222500421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 124005195 and 124005204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124005221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112908 + ... + 114000.

It is an arithmetic number, because the mean of its divisors is an integer number (4726080).

Almost surely, 2^124005222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124005222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151234560).

124005222 is an abundant number, since it is smaller than the sum of its proper divisors (178463898).

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

124005222 is a wasteful number, since it uses less digits than its factorization.

124005222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 124005222 is about 11135.7631979133. The cubic root of 124005222 is about 498.6700951758.

Adding to 124005222 its reverse (222500421), we get a palindrome (346505643).

The spelling of 124005222 in words is "one hundred twenty-four million, five thousand, two hundred twenty-two".