124200442 has 8 divisors (see below), whose sum is σ = 188924832. Its totient is φ = 61225500.

The previous prime is 124200343. The next prime is 124200443. The reversal of 124200442 is 244002421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (124200443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437184 + ... + 437467.

It is an arithmetic number, because the mean of its divisors is an integer number (23615604).

Almost surely, 2^124200442 is an apocalyptic number.

124200442 is a deficient number, since it is larger than the sum of its proper divisors (64724390).

124200442 is an equidigital number, since it uses as much as digits as its factorization.

124200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874724.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 124200442 is about 11144.5252029864. The cubic root of 124200442 is about 498.9316415128.

Adding to 124200442 its reverse (244002421), we get a palindrome (368202863).

The spelling of 124200442 in words is "one hundred twenty-four million, two hundred thousand, four hundred forty-two".