124203000042 has 96 divisors (see below), whose sum is σ = 310983416640. Its totient is φ = 35406927360.

The previous prime is 124203000041. The next prime is 124203000049. The reversal of 124203000042 is 240000302421.

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 = 124202999979 and 124203000024.

It is not an unprimeable number, because it can be changed into a prime (124203000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8539008 + ... + 8553540.

It is an arithmetic number, because the mean of its divisors is an integer number (3239410590).

Almost surely, 2^124203000042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124203000042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155491708320).

124203000042 is an abundant number, since it is smaller than the sum of its proper divisors (186780416598).

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

124203000042 is a wasteful number, since it uses less digits than its factorization.

124203000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108 (or 17105 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 124203000042 its reverse (240000302421), we get a palindrome (364203302463).

The spelling of 124203000042 in words is "one hundred twenty-four billion, two hundred three million, forty-two", and thus it is an aban number.