124130042 has 32 divisors (see below), whose sum is σ = 197878464. Its totient is φ = 58320000.

The previous prime is 124130033. The next prime is 124130047. The reversal of 124130042 is 240031421.

It is a self number, because there is not a number n which added to its sum of digits gives 124130042.

It is not an unprimeable number, because it can be changed into a prime (124130047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494417 + ... + 494667.

It is an arithmetic number, because the mean of its divisors is an integer number (6183702).

Almost surely, 2^124130042 is an apocalyptic number.

124130042 is a deficient number, since it is larger than the sum of its proper divisors (73748422).

124130042 is a wasteful number, since it uses less digits than its factorization.

124130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124130042 is about 11141.3662537411. The cubic root of 124130042 is about 498.8373546068.

Adding to 124130042 its reverse (240031421), we get a palindrome (364161463).

The spelling of 124130042 in words is "one hundred twenty-four million, one hundred thirty thousand, forty-two".