124220442 has 16 divisors (see below), whose sum is σ = 261516960. Its totient is φ = 39227472.

The previous prime is 124220419. The next prime is 124220443. The reversal of 124220442 is 244022421.

It is not an unprimeable number, because it can be changed into a prime (124220443) 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, 544713 + ... + 544940.

It is an arithmetic number, because the mean of its divisors is an integer number (16344810).

Almost surely, 2^124220442 is an apocalyptic number.

124220442 is an abundant number, since it is smaller than the sum of its proper divisors (137296518).

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

124220442 is a wasteful number, since it uses less digits than its factorization.

124220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089677.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 124220442 is about 11145.4224684397. The cubic root of 124220442 is about 498.9584210666.

Adding to 124220442 its reverse (244022421), we get a palindrome (368242863).

The spelling of 124220442 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred forty-two".